Home / 36,581.70-54,872.55-29,145.90

Finding the Fourth Proportional to 36,581.70, 54,872.55 and 29,145.90

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Solution

The fourth proportional to 36,581.70, 54,872.55 and 29,145.90 is: 43,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.70 : 54,872.55 = 29,145.90 : x
  2. Step 2: Convert to fraction form
    36,581.70/54,872.55 = 29,145.90/x
  3. Step 3: Cross multiply
    36,581.70x = 54,872.55 × 29,145.90
  4. Step 4: Simplify right side
    36,581.70x = 1,599,309,855.05
  5. Step 5: Solve for x
    x = 1,599,309,855.05/36,581.70
  6. Step 6: Final answer
    x = 43,718.85

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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.