Home / 36,508.59-54,764.10-13,136.85

Finding the Fourth Proportional to 36,508.59, 54,764.10 and 13,136.85

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Solution

The fourth proportional to 36,508.59, 54,764.10 and 13,136.85 is: 19,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,508.59 : 54,764.10 = 13,136.85 : x
  2. Step 2: Convert to fraction form
    36,508.59/54,764.10 = 13,136.85/x
  3. Step 3: Cross multiply
    36,508.59x = 54,764.10 × 13,136.85
  4. Step 4: Simplify right side
    36,508.59x = 719,427,767.09
  5. Step 5: Solve for x
    x = 719,427,767.09/36,508.59
  6. Step 6: Final answer
    x = 19,705.71

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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.