Home / 31,158.24-42,999.12-17,010.96

Finding the Fourth Proportional to 31,158.24, 42,999.12 and 17,010.96

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Solution

The fourth proportional to 31,158.24, 42,999.12 and 17,010.96 is: 23,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.24 : 42,999.12 = 17,010.96 : x
  2. Step 2: Convert to fraction form
    31,158.24/42,999.12 = 17,010.96/x
  3. Step 3: Cross multiply
    31,158.24x = 42,999.12 × 17,010.96
  4. Step 4: Simplify right side
    31,158.24x = 731,456,310.36
  5. Step 5: Solve for x
    x = 731,456,310.36/31,158.24
  6. Step 6: Final answer
    x = 23,475.53

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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.