Home / 49,223.20-73,794.30-21,164.80

Finding the Fourth Proportional to 49,223.20, 73,794.30 and 21,164.80

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Solution

The fourth proportional to 49,223.20, 73,794.30 and 21,164.80 is: 31,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,223.20 : 73,794.30 = 21,164.80 : x
  2. Step 2: Convert to fraction form
    49,223.20/73,794.30 = 21,164.80/x
  3. Step 3: Cross multiply
    49,223.20x = 73,794.30 × 21,164.80
  4. Step 4: Simplify right side
    49,223.20x = 1,561,841,600.64
  5. Step 5: Solve for x
    x = 1,561,841,600.64/49,223.20
  6. Step 6: Final answer
    x = 31,729.79

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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.