Home / 36,261.76-54,379.60-12,562.92

Finding the Fourth Proportional to 36,261.76, 54,379.60 and 12,562.92

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Solution

The fourth proportional to 36,261.76, 54,379.60 and 12,562.92 is: 18,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.76 : 54,379.60 = 12,562.92 : x
  2. Step 2: Convert to fraction form
    36,261.76/54,379.60 = 12,562.92/x
  3. Step 3: Cross multiply
    36,261.76x = 54,379.60 × 12,562.92
  4. Step 4: Simplify right side
    36,261.76x = 683,166,564.43
  5. Step 5: Solve for x
    x = 683,166,564.43/36,261.76
  6. Step 6: Final answer
    x = 18,839.86

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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.