Home / 31,909.38-47,832.36-15,249.97

Finding the Fourth Proportional to 31,909.38, 47,832.36 and 15,249.97

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Solution

The fourth proportional to 31,909.38, 47,832.36 and 15,249.97 is: 22,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.38 : 47,832.36 = 15,249.97 : x
  2. Step 2: Convert to fraction form
    31,909.38/47,832.36 = 15,249.97/x
  3. Step 3: Cross multiply
    31,909.38x = 47,832.36 × 15,249.97
  4. Step 4: Simplify right side
    31,909.38x = 729,442,055.03
  5. Step 5: Solve for x
    x = 729,442,055.03/31,909.38
  6. Step 6: Final answer
    x = 22,859.80

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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.