Home / 54,092.38-81,149.03-16,645.81

Finding the Fourth Proportional to 54,092.38, 81,149.03 and 16,645.81

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Solution

The fourth proportional to 54,092.38, 81,149.03 and 16,645.81 is: 24,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,092.38 : 81,149.03 = 16,645.81 : x
  2. Step 2: Convert to fraction form
    54,092.38/81,149.03 = 16,645.81/x
  3. Step 3: Cross multiply
    54,092.38x = 81,149.03 × 16,645.81
  4. Step 4: Simplify right side
    54,092.38x = 1,350,790,846.09
  5. Step 5: Solve for x
    x = 1,350,790,846.09/54,092.38
  6. Step 6: Final answer
    x = 24,971.93

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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.