Home / 54,142.06-81,221.85-16,693.38

Finding the Fourth Proportional to 54,142.06, 81,221.85 and 16,693.38

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Solution

The fourth proportional to 54,142.06, 81,221.85 and 16,693.38 is: 25,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.06 : 81,221.85 = 16,693.38 : x
  2. Step 2: Convert to fraction form
    54,142.06/81,221.85 = 16,693.38/x
  3. Step 3: Cross multiply
    54,142.06x = 81,221.85 × 16,693.38
  4. Step 4: Simplify right side
    54,142.06x = 1,355,866,800.24
  5. Step 5: Solve for x
    x = 1,355,866,800.24/54,142.06
  6. Step 6: Final answer
    x = 25,042.76

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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.