Home / 31,404.11-43,337.66-17,257.86

Finding the Fourth Proportional to 31,404.11, 43,337.66 and 17,257.86

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Solution

The fourth proportional to 31,404.11, 43,337.66 and 17,257.86 is: 23,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404.11 : 43,337.66 = 17,257.86 : x
  2. Step 2: Convert to fraction form
    31,404.11/43,337.66 = 17,257.86/x
  3. Step 3: Cross multiply
    31,404.11x = 43,337.66 × 17,257.86
  4. Step 4: Simplify right side
    31,404.11x = 747,915,182.72
  5. Step 5: Solve for x
    x = 747,915,182.72/31,404.11
  6. Step 6: Final answer
    x = 23,815.84

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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.