Home / 31,402.28-43,335.18-17,255.96

Finding the Fourth Proportional to 31,402.28, 43,335.18 and 17,255.96

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Solution

The fourth proportional to 31,402.28, 43,335.18 and 17,255.96 is: 23,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.28 : 43,335.18 = 17,255.96 : x
  2. Step 2: Convert to fraction form
    31,402.28/43,335.18 = 17,255.96/x
  3. Step 3: Cross multiply
    31,402.28x = 43,335.18 × 17,255.96
  4. Step 4: Simplify right side
    31,402.28x = 747,790,132.67
  5. Step 5: Solve for x
    x = 747,790,132.67/31,402.28
  6. Step 6: Final answer
    x = 23,813.24

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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.