Home / 60,415.91-83,397.20-40,265.43

Finding the Fourth Proportional to 60,415.91, 83,397.20 and 40,265.43

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Solution

The fourth proportional to 60,415.91, 83,397.20 and 40,265.43 is: 55,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,415.91 : 83,397.20 = 40,265.43 : x
  2. Step 2: Convert to fraction form
    60,415.91/83,397.20 = 40,265.43/x
  3. Step 3: Cross multiply
    60,415.91x = 83,397.20 × 40,265.43
  4. Step 4: Simplify right side
    60,415.91x = 3,358,023,917.47
  5. Step 5: Solve for x
    x = 3,358,023,917.47/60,415.91
  6. Step 6: Final answer
    x = 55,581.79

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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.