Home / 36,250.26-54,379.89-12,876.90

Finding the Fourth Proportional to 36,250.26, 54,379.89 and 12,876.90

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Solution

The fourth proportional to 36,250.26, 54,379.89 and 12,876.90 is: 19,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,250.26 : 54,379.89 = 12,876.90 : x
  2. Step 2: Convert to fraction form
    36,250.26/54,379.89 = 12,876.90/x
  3. Step 3: Cross multiply
    36,250.26x = 54,379.89 × 12,876.90
  4. Step 4: Simplify right side
    36,250.26x = 700,244,405.54
  5. Step 5: Solve for x
    x = 700,244,405.54/36,250.26
  6. Step 6: Final answer
    x = 19,316.95

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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.