Home / 36,179.94-54,226.17-18,640.20

Finding the Fourth Proportional to 36,179.94, 54,226.17 and 18,640.20

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Solution

The fourth proportional to 36,179.94, 54,226.17 and 18,640.20 is: 27,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179.94 : 54,226.17 = 18,640.20 : x
  2. Step 2: Convert to fraction form
    36,179.94/54,226.17 = 18,640.20/x
  3. Step 3: Cross multiply
    36,179.94x = 54,226.17 × 18,640.20
  4. Step 4: Simplify right side
    36,179.94x = 1,010,786,654.03
  5. Step 5: Solve for x
    x = 1,010,786,654.03/36,179.94
  6. Step 6: Final answer
    x = 27,937.76

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1.5x scale

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.