Home / 31,508.16-43,481.08-17,167.98

Finding the Fourth Proportional to 31,508.16, 43,481.08 and 17,167.98

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Solution

The fourth proportional to 31,508.16, 43,481.08 and 17,167.98 is: 23,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.16 : 43,481.08 = 17,167.98 : x
  2. Step 2: Convert to fraction form
    31,508.16/43,481.08 = 17,167.98/x
  3. Step 3: Cross multiply
    31,508.16x = 43,481.08 × 17,167.98
  4. Step 4: Simplify right side
    31,508.16x = 746,482,311.82
  5. Step 5: Solve for x
    x = 746,482,311.82/31,508.16
  6. Step 6: Final answer
    x = 23,691.71

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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.