Finding the Fourth Proportional to 62,625.64, 86,432.28 and 38,760
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Solution
The fourth proportional to 62,625.64, 86,432.28 and 38,760 is: 53,494.31
Step by Step Solution
- Step 1: Write the proportion equation
62,625.64 : 86,432.28 = 38,760 : x - Step 2: Convert to fraction form
62,625.64/86,432.28 = 38,760/x - Step 3: Cross multiply
62,625.64x = 86,432.28 × 38,760 - Step 4: Simplify right side
62,625.64x = 3,350,115,172.80 - Step 5: Solve for x
x = 3,350,115,172.80/62,625.64 - Step 6: Final answer
x = 53,494.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.