Home / 31,708.60-43,757.85-17,561.43

Finding the Fourth Proportional to 31,708.60, 43,757.85 and 17,561.43

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Solution

The fourth proportional to 31,708.60, 43,757.85 and 17,561.43 is: 24,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.60 : 43,757.85 = 17,561.43 : x
  2. Step 2: Convert to fraction form
    31,708.60/43,757.85 = 17,561.43/x
  3. Step 3: Cross multiply
    31,708.60x = 43,757.85 × 17,561.43
  4. Step 4: Simplify right side
    31,708.60x = 768,450,419.73
  5. Step 5: Solve for x
    x = 768,450,419.73/31,708.60
  6. Step 6: Final answer
    x = 24,234.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.