Home / 31,589.38-47,244.57-28,103.86

Finding the Fourth Proportional to 31,589.38, 47,244.57 and 28,103.86

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Solution

The fourth proportional to 31,589.38, 47,244.57 and 28,103.86 is: 42,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.38 : 47,244.57 = 28,103.86 : x
  2. Step 2: Convert to fraction form
    31,589.38/47,244.57 = 28,103.86/x
  3. Step 3: Cross multiply
    31,589.38x = 47,244.57 × 28,103.86
  4. Step 4: Simplify right side
    31,589.38x = 1,327,754,781.04
  5. Step 5: Solve for x
    x = 1,327,754,781.04/31,589.38
  6. Step 6: Final answer
    x = 42,031.68

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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.