Home / 31,456.76-43,408.66-17,306.88

Finding the Fourth Proportional to 31,456.76, 43,408.66 and 17,306.88

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Solution

The fourth proportional to 31,456.76, 43,408.66 and 17,306.88 is: 23,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.76 : 43,408.66 = 17,306.88 : x
  2. Step 2: Convert to fraction form
    31,456.76/43,408.66 = 17,306.88/x
  3. Step 3: Cross multiply
    31,456.76x = 43,408.66 × 17,306.88
  4. Step 4: Simplify right side
    31,456.76x = 751,268,469.58
  5. Step 5: Solve for x
    x = 751,268,469.58/31,456.76
  6. Step 6: Final answer
    x = 23,882.58

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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.