Home / 49,869.01-74,759.77-20,311.71

Finding the Fourth Proportional to 49,869.01, 74,759.77 and 20,311.71

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Solution

The fourth proportional to 49,869.01, 74,759.77 and 20,311.71 is: 30,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.01 : 74,759.77 = 20,311.71 : x
  2. Step 2: Convert to fraction form
    49,869.01/74,759.77 = 20,311.71/x
  3. Step 3: Cross multiply
    49,869.01x = 74,759.77 × 20,311.71
  4. Step 4: Simplify right side
    49,869.01x = 1,518,498,767.91
  5. Step 5: Solve for x
    x = 1,518,498,767.91/49,869.01
  6. Step 6: Final answer
    x = 30,449.75

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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.