Home / 51,469.43-77,151.69-21,868.38

Finding the Fourth Proportional to 51,469.43, 77,151.69 and 21,868.38

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Solution

The fourth proportional to 51,469.43, 77,151.69 and 21,868.38 is: 32,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,469.43 : 77,151.69 = 21,868.38 : x
  2. Step 2: Convert to fraction form
    51,469.43/77,151.69 = 21,868.38/x
  3. Step 3: Cross multiply
    51,469.43x = 77,151.69 × 21,868.38
  4. Step 4: Simplify right side
    51,469.43x = 1,687,182,474.56
  5. Step 5: Solve for x
    x = 1,687,182,474.56/51,469.43
  6. Step 6: Final answer
    x = 32,780.29

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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.