Home / 36,236.80-54,358.92-12,544.31

Finding the Fourth Proportional to 36,236.80, 54,358.92 and 12,544.31

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Solution

The fourth proportional to 36,236.80, 54,358.92 and 12,544.31 is: 18,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,236.80 : 54,358.92 = 12,544.31 : x
  2. Step 2: Convert to fraction form
    36,236.80/54,358.92 = 12,544.31/x
  3. Step 3: Cross multiply
    36,236.80x = 54,358.92 × 12,544.31
  4. Step 4: Simplify right side
    36,236.80x = 681,895,143.75
  5. Step 5: Solve for x
    x = 681,895,143.75/36,236.80
  6. Step 6: Final answer
    x = 18,817.75

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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.