Home / 82,414.78-123,581.22-26,247.55

Finding the Fourth Proportional to 82,414.78, 123,581.22 and 26,247.55

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Solution

The fourth proportional to 82,414.78, 123,581.22 and 26,247.55 is: 39,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,414.78 : 123,581.22 = 26,247.55 : x
  2. Step 2: Convert to fraction form
    82,414.78/123,581.22 = 26,247.55/x
  3. Step 3: Cross multiply
    82,414.78x = 123,581.22 × 26,247.55
  4. Step 4: Simplify right side
    82,414.78x = 3,243,704,251.01
  5. Step 5: Solve for x
    x = 3,243,704,251.01/82,414.78
  6. Step 6: Final answer
    x = 39,358.28

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1.5x scale

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.