Home / 31,549.26-43,531.92-18,974.82

Finding the Fourth Proportional to 31,549.26, 43,531.92 and 18,974.82

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Solution

The fourth proportional to 31,549.26, 43,531.92 and 18,974.82 is: 26,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.26 : 43,531.92 = 18,974.82 : x
  2. Step 2: Convert to fraction form
    31,549.26/43,531.92 = 18,974.82/x
  3. Step 3: Cross multiply
    31,549.26x = 43,531.92 × 18,974.82
  4. Step 4: Simplify right side
    31,549.26x = 826,010,346.25
  5. Step 5: Solve for x
    x = 826,010,346.25/31,549.26
  6. Step 6: Final answer
    x = 26,181.61

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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.