Home / 49,819.20-74,743.20-14,759.52

Finding the Fourth Proportional to 49,819.20, 74,743.20 and 14,759.52

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Solution

The fourth proportional to 49,819.20, 74,743.20 and 14,759.52 is: 22,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,819.20 : 74,743.20 = 14,759.52 : x
  2. Step 2: Convert to fraction form
    49,819.20/74,743.20 = 14,759.52/x
  3. Step 3: Cross multiply
    49,819.20x = 74,743.20 × 14,759.52
  4. Step 4: Simplify right side
    49,819.20x = 1,103,173,755.26
  5. Step 5: Solve for x
    x = 1,103,173,755.26/49,819.20
  6. Step 6: Final answer
    x = 22,143.55

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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.