Home / 36,640.67-54,952.71-18,610.62

Finding the Fourth Proportional to 36,640.67, 54,952.71 and 18,610.62

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Solution

The fourth proportional to 36,640.67, 54,952.71 and 18,610.62 is: 27,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.67 : 54,952.71 = 18,610.62 : x
  2. Step 2: Convert to fraction form
    36,640.67/54,952.71 = 18,610.62/x
  3. Step 3: Cross multiply
    36,640.67x = 54,952.71 × 18,610.62
  4. Step 4: Simplify right side
    36,640.67x = 1,022,704,120.85
  5. Step 5: Solve for x
    x = 1,022,704,120.85/36,640.67
  6. Step 6: Final answer
    x = 27,911.72

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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.