Home / 49,922.88-74,819.68-20,306.08

Finding the Fourth Proportional to 49,922.88, 74,819.68 and 20,306.08

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Solution

The fourth proportional to 49,922.88, 74,819.68 and 20,306.08 is: 30,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,922.88 : 74,819.68 = 20,306.08 : x
  2. Step 2: Convert to fraction form
    49,922.88/74,819.68 = 20,306.08/x
  3. Step 3: Cross multiply
    49,922.88x = 74,819.68 × 20,306.08
  4. Step 4: Simplify right side
    49,922.88x = 1,519,294,407.65
  5. Step 5: Solve for x
    x = 1,519,294,407.65/49,922.88
  6. Step 6: Final answer
    x = 30,432.83

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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.