Home / 36,123.62-49,855.61-20,209.14

Finding the Fourth Proportional to 36,123.62, 49,855.61 and 20,209.14

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Solution

The fourth proportional to 36,123.62, 49,855.61 and 20,209.14 is: 27,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.62 : 49,855.61 = 20,209.14 : x
  2. Step 2: Convert to fraction form
    36,123.62/49,855.61 = 20,209.14/x
  3. Step 3: Cross multiply
    36,123.62x = 49,855.61 × 20,209.14
  4. Step 4: Simplify right side
    36,123.62x = 1,007,539,052.80
  5. Step 5: Solve for x
    x = 1,007,539,052.80/36,123.62
  6. Step 6: Final answer
    x = 27,891.42

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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.