Finding the Fourth Proportional to 74,551.19, 111,830.29 and 24,635.75
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Solution
The fourth proportional to 74,551.19, 111,830.29 and 24,635.75 is: 36,954.78
Step by Step Solution
- Step 1: Write the proportion equation
74,551.19 : 111,830.29 = 24,635.75 : x - Step 2: Convert to fraction form
74,551.19/111,830.29 = 24,635.75/x - Step 3: Cross multiply
74,551.19x = 111,830.29 × 24,635.75 - Step 4: Simplify right side
74,551.19x = 2,755,022,446.13 - Step 5: Solve for x
x = 2,755,022,446.13/74,551.19 - Step 6: Final answer
x = 36,954.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.