Home / 31,009.13-42,791.30-17,581.29

Finding the Fourth Proportional to 31,009.13, 42,791.30 and 17,581.29

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Solution

The fourth proportional to 31,009.13, 42,791.30 and 17,581.29 is: 24,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.13 : 42,791.30 = 17,581.29 : x
  2. Step 2: Convert to fraction form
    31,009.13/42,791.30 = 17,581.29/x
  3. Step 3: Cross multiply
    31,009.13x = 42,791.30 × 17,581.29
  4. Step 4: Simplify right side
    31,009.13x = 752,326,022.89
  5. Step 5: Solve for x
    x = 752,326,022.89/31,009.13
  6. Step 6: Final answer
    x = 24,261.44

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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.