Home / 42,523.11-63,785.66-20,338.83

Finding the Fourth Proportional to 42,523.11, 63,785.66 and 20,338.83

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Solution

The fourth proportional to 42,523.11, 63,785.66 and 20,338.83 is: 30,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,523.11 : 63,785.66 = 20,338.83 : x
  2. Step 2: Convert to fraction form
    42,523.11/63,785.66 = 20,338.83/x
  3. Step 3: Cross multiply
    42,523.11x = 63,785.66 × 20,338.83
  4. Step 4: Simplify right side
    42,523.11x = 1,297,325,593.48
  5. Step 5: Solve for x
    x = 1,297,325,593.48/42,523.11
  6. Step 6: Final answer
    x = 30,508.72

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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.