Home / 31,332.44-47,010.96-13,789.97

Finding the Fourth Proportional to 31,332.44, 47,010.96 and 13,789.97

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Solution

The fourth proportional to 31,332.44, 47,010.96 and 13,789.97 is: 20,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.44 : 47,010.96 = 13,789.97 : x
  2. Step 2: Convert to fraction form
    31,332.44/47,010.96 = 13,789.97/x
  3. Step 3: Cross multiply
    31,332.44x = 47,010.96 × 13,789.97
  4. Step 4: Simplify right side
    31,332.44x = 648,279,493.02
  5. Step 5: Solve for x
    x = 648,279,493.02/31,332.44
  6. Step 6: Final answer
    x = 20,690.36

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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.