Home / 33,177.38-49,781.99-20,694.20

Finding the Fourth Proportional to 33,177.38, 49,781.99 and 20,694.20

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Solution

The fourth proportional to 33,177.38, 49,781.99 and 20,694.20 is: 31,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.38 : 49,781.99 = 20,694.20 : x
  2. Step 2: Convert to fraction form
    33,177.38/49,781.99 = 20,694.20/x
  3. Step 3: Cross multiply
    33,177.38x = 49,781.99 × 20,694.20
  4. Step 4: Simplify right side
    33,177.38x = 1,030,198,105.08
  5. Step 5: Solve for x
    x = 1,030,198,105.08/33,177.38
  6. Step 6: Final answer
    x = 31,051.22

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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.