Home / 49,868.38-74,826.87-20,306.62

Finding the Fourth Proportional to 49,868.38, 74,826.87 and 20,306.62

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Solution

The fourth proportional to 49,868.38, 74,826.87 and 20,306.62 is: 30,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.38 : 74,826.87 = 20,306.62 : x
  2. Step 2: Convert to fraction form
    49,868.38/74,826.87 = 20,306.62/x
  3. Step 3: Cross multiply
    49,868.38x = 74,826.87 × 20,306.62
  4. Step 4: Simplify right side
    49,868.38x = 1,519,480,814.88
  5. Step 5: Solve for x
    x = 1,519,480,814.88/49,868.38
  6. Step 6: Final answer
    x = 30,469.83

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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.