Home / 45,387.64-62,665.38-40,592.68

Finding the Fourth Proportional to 45,387.64, 62,665.38 and 40,592.68

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Solution

The fourth proportional to 45,387.64, 62,665.38 and 40,592.68 is: 56,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.64 : 62,665.38 = 40,592.68 : x
  2. Step 2: Convert to fraction form
    45,387.64/62,665.38 = 40,592.68/x
  3. Step 3: Cross multiply
    45,387.64x = 62,665.38 × 40,592.68
  4. Step 4: Simplify right side
    45,387.64x = 2,543,755,717.42
  5. Step 5: Solve for x
    x = 2,543,755,717.42/45,387.64
  6. Step 6: Final answer
    x = 56,045.12

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1.5x scale

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.