Home / 49,231.80-73,834.11-21,150.72

Finding the Fourth Proportional to 49,231.80, 73,834.11 and 21,150.72

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Solution

The fourth proportional to 49,231.80, 73,834.11 and 21,150.72 is: 31,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231.80 : 73,834.11 = 21,150.72 : x
  2. Step 2: Convert to fraction form
    49,231.80/73,834.11 = 21,150.72/x
  3. Step 3: Cross multiply
    49,231.80x = 73,834.11 × 21,150.72
  4. Step 4: Simplify right side
    49,231.80x = 1,561,644,587.06
  5. Step 5: Solve for x
    x = 1,561,644,587.06/49,231.80
  6. Step 6: Final answer
    x = 31,720.24

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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.