Finding the Fourth Proportional to 71,324.40, 106,957.80 and 24,553.20
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Solution
The fourth proportional to 71,324.40, 106,957.80 and 24,553.20 is: 36,819.89
Step by Step Solution
- Step 1: Write the proportion equation
71,324.40 : 106,957.80 = 24,553.20 : x - Step 2: Convert to fraction form
71,324.40/106,957.80 = 24,553.20/x - Step 3: Cross multiply
71,324.40x = 106,957.80 × 24,553.20 - Step 4: Simplify right side
71,324.40x = 2,626,156,254.96 - Step 5: Solve for x
x = 2,626,156,254.96/71,324.40 - Step 6: Final answer
x = 36,819.89
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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.