Home / 31,229.20-43,095.94-17,081.88

Finding the Fourth Proportional to 31,229.20, 43,095.94 and 17,081.88

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Solution

The fourth proportional to 31,229.20, 43,095.94 and 17,081.88 is: 23,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229.20 : 43,095.94 = 17,081.88 : x
  2. Step 2: Convert to fraction form
    31,229.20/43,095.94 = 17,081.88/x
  3. Step 3: Cross multiply
    31,229.20x = 43,095.94 × 17,081.88
  4. Step 4: Simplify right side
    31,229.20x = 736,159,675.57
  5. Step 5: Solve for x
    x = 736,159,675.57/31,229.20
  6. Step 6: Final answer
    x = 23,572.80

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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.