Home / 36,115.04-49,843.44-20,202.78

Finding the Fourth Proportional to 36,115.04, 49,843.44 and 20,202.78

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Solution

The fourth proportional to 36,115.04, 49,843.44 and 20,202.78 is: 27,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.04 : 49,843.44 = 20,202.78 : x
  2. Step 2: Convert to fraction form
    36,115.04/49,843.44 = 20,202.78/x
  3. Step 3: Cross multiply
    36,115.04x = 49,843.44 × 20,202.78
  4. Step 4: Simplify right side
    36,115.04x = 1,006,976,052.76
  5. Step 5: Solve for x
    x = 1,006,976,052.76/36,115.04
  6. Step 6: Final answer
    x = 27,882.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.