Home / 40,357.38-55,691.64-22,451.79

Finding the Fourth Proportional to 40,357.38, 55,691.64 and 22,451.79

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Solution

The fourth proportional to 40,357.38, 55,691.64 and 22,451.79 is: 30,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.38 : 55,691.64 = 22,451.79 : x
  2. Step 2: Convert to fraction form
    40,357.38/55,691.64 = 22,451.79/x
  3. Step 3: Cross multiply
    40,357.38x = 55,691.64 × 22,451.79
  4. Step 4: Simplify right side
    40,357.38x = 1,250,377,006.04
  5. Step 5: Solve for x
    x = 1,250,377,006.04/40,357.38
  6. Step 6: Final answer
    x = 30,982.61

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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.