Home / 31,711.30-43,761.11-17,371.02

Finding the Fourth Proportional to 31,711.30, 43,761.11 and 17,371.02

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Solution

The fourth proportional to 31,711.30, 43,761.11 and 17,371.02 is: 23,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.30 : 43,761.11 = 17,371.02 : x
  2. Step 2: Convert to fraction form
    31,711.30/43,761.11 = 17,371.02/x
  3. Step 3: Cross multiply
    31,711.30x = 43,761.11 × 17,371.02
  4. Step 4: Simplify right side
    31,711.30x = 760,175,117.03
  5. Step 5: Solve for x
    x = 760,175,117.03/31,711.30
  6. Step 6: Final answer
    x = 23,971.74

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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.