Home / 56,731.68-85,000.32-40,061.88

Finding the Fourth Proportional to 56,731.68, 85,000.32 and 40,061.88

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Solution

The fourth proportional to 56,731.68, 85,000.32 and 40,061.88 is: 60,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.68 : 85,000.32 = 40,061.88 : x
  2. Step 2: Convert to fraction form
    56,731.68/85,000.32 = 40,061.88/x
  3. Step 3: Cross multiply
    56,731.68x = 85,000.32 × 40,061.88
  4. Step 4: Simplify right side
    56,731.68x = 3,405,272,619.80
  5. Step 5: Solve for x
    x = 3,405,272,619.80/56,731.68
  6. Step 6: Final answer
    x = 60,024.18

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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.