Home / 31,517.20-43,493.66-17,370.04

Finding the Fourth Proportional to 31,517.20, 43,493.66 and 17,370.04

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Solution

The fourth proportional to 31,517.20, 43,493.66 and 17,370.04 is: 23,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.20 : 43,493.66 = 17,370.04 : x
  2. Step 2: Convert to fraction form
    31,517.20/43,493.66 = 17,370.04/x
  3. Step 3: Cross multiply
    31,517.20x = 43,493.66 × 17,370.04
  4. Step 4: Simplify right side
    31,517.20x = 755,486,613.95
  5. Step 5: Solve for x
    x = 755,486,613.95/31,517.20
  6. Step 6: Final answer
    x = 23,970.61

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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.