Home / 31,881.17-43,997.09-17,542.65

Finding the Fourth Proportional to 31,881.17, 43,997.09 and 17,542.65

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Solution

The fourth proportional to 31,881.17, 43,997.09 and 17,542.65 is: 24,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.17 : 43,997.09 = 17,542.65 : x
  2. Step 2: Convert to fraction form
    31,881.17/43,997.09 = 17,542.65/x
  3. Step 3: Cross multiply
    31,881.17x = 43,997.09 × 17,542.65
  4. Step 4: Simplify right side
    31,881.17x = 771,825,550.89
  5. Step 5: Solve for x
    x = 771,825,550.89/31,881.17
  6. Step 6: Final answer
    x = 24,209.45

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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.