Home / 31,939.20-44,077.68-17,791.92

Finding the Fourth Proportional to 31,939.20, 44,077.68 and 17,791.92

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Solution

The fourth proportional to 31,939.20, 44,077.68 and 17,791.92 is: 24,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.20 : 44,077.68 = 17,791.92 : x
  2. Step 2: Convert to fraction form
    31,939.20/44,077.68 = 17,791.92/x
  3. Step 3: Cross multiply
    31,939.20x = 44,077.68 × 17,791.92
  4. Step 4: Simplify right side
    31,939.20x = 784,226,556.35
  5. Step 5: Solve for x
    x = 784,226,556.35/31,939.20
  6. Step 6: Final answer
    x = 24,553.73

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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.