Home / 36,120.71-54,191.97-10,821.04

Finding the Fourth Proportional to 36,120.71, 54,191.97 and 10,821.04

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Solution

The fourth proportional to 36,120.71, 54,191.97 and 10,821.04 is: 16,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.71 : 54,191.97 = 10,821.04 : x
  2. Step 2: Convert to fraction form
    36,120.71/54,191.97 = 10,821.04/x
  3. Step 3: Cross multiply
    36,120.71x = 54,191.97 × 10,821.04
  4. Step 4: Simplify right side
    36,120.71x = 586,413,644.40
  5. Step 5: Solve for x
    x = 586,413,644.40/36,120.71
  6. Step 6: Final answer
    x = 16,234.83

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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.