Home / 31,691.30-43,734.68-17,351.73

Finding the Fourth Proportional to 31,691.30, 43,734.68 and 17,351.73

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Solution

The fourth proportional to 31,691.30, 43,734.68 and 17,351.73 is: 23,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.30 : 43,734.68 = 17,351.73 : x
  2. Step 2: Convert to fraction form
    31,691.30/43,734.68 = 17,351.73/x
  3. Step 3: Cross multiply
    31,691.30x = 43,734.68 × 17,351.73
  4. Step 4: Simplify right side
    31,691.30x = 758,872,272.24
  5. Step 5: Solve for x
    x = 758,872,272.24/31,691.30
  6. Step 6: Final answer
    x = 23,945.76

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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.