Home / 31,489.68-43,456.06-17,342.58

Finding the Fourth Proportional to 31,489.68, 43,456.06 and 17,342.58

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Solution

The fourth proportional to 31,489.68, 43,456.06 and 17,342.58 is: 23,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.68 : 43,456.06 = 17,342.58 : x
  2. Step 2: Convert to fraction form
    31,489.68/43,456.06 = 17,342.58/x
  3. Step 3: Cross multiply
    31,489.68x = 43,456.06 × 17,342.58
  4. Step 4: Simplify right side
    31,489.68x = 753,640,197.03
  5. Step 5: Solve for x
    x = 753,640,197.03/31,489.68
  6. Step 6: Final answer
    x = 23,932.93

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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.