Home / 54,516.09-81,781.16-17,077.89

Finding the Fourth Proportional to 54,516.09, 81,781.16 and 17,077.89

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Solution

The fourth proportional to 54,516.09, 81,781.16 and 17,077.89 is: 25,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.09 : 81,781.16 = 17,077.89 : x
  2. Step 2: Convert to fraction form
    54,516.09/81,781.16 = 17,077.89/x
  3. Step 3: Cross multiply
    54,516.09x = 81,781.16 × 17,077.89
  4. Step 4: Simplify right side
    54,516.09x = 1,396,649,654.55
  5. Step 5: Solve for x
    x = 1,396,649,654.55/54,516.09
  6. Step 6: Final answer
    x = 25,619.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.