Home / 33,255.10-49,857.85-20,104.70

Finding the Fourth Proportional to 33,255.10, 49,857.85 and 20,104.70

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Solution

The fourth proportional to 33,255.10, 49,857.85 and 20,104.70 is: 30,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.10 : 49,857.85 = 20,104.70 : x
  2. Step 2: Convert to fraction form
    33,255.10/49,857.85 = 20,104.70/x
  3. Step 3: Cross multiply
    33,255.10x = 49,857.85 × 20,104.70
  4. Step 4: Simplify right side
    33,255.10x = 1,002,377,116.90
  5. Step 5: Solve for x
    x = 1,002,377,116.90/33,255.10
  6. Step 6: Final answer
    x = 30,142.06

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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.