Home / 49,321.32-73,974.66-18,149.28

Finding the Fourth Proportional to 49,321.32, 73,974.66 and 18,149.28

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Solution

The fourth proportional to 49,321.32, 73,974.66 and 18,149.28 is: 27,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,321.32 : 73,974.66 = 18,149.28 : x
  2. Step 2: Convert to fraction form
    49,321.32/73,974.66 = 18,149.28/x
  3. Step 3: Cross multiply
    49,321.32x = 73,974.66 × 18,149.28
  4. Step 4: Simplify right side
    49,321.32x = 1,342,586,817.24
  5. Step 5: Solve for x
    x = 1,342,586,817.24/49,321.32
  6. Step 6: Final answer
    x = 27,221.23

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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.