Find the fourth proportional to the numbers 60, 48, 30.
- 48
- 36
- 24
- None
Explanation
To find the fourth proportional, we need to set up a proportion:
60 : 48 :: 30 : x
Where x is the fourth proportional.
We can rewrite this as: 60/48 = 30/x
Cross-multiplying, we get: 60x = 30 × 48
Simplifying, we get: 60x = 1440
Dividing both sides by 60, we get: x = 24
So, the fourth proportional is 24.
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