Home / 51,204-76,836.24-21,619.92

Finding the Fourth Proportional to 51,204, 76,836.24 and 21,619.92

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Solution

The fourth proportional to 51,204, 76,836.24 and 21,619.92 is: 32,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204 : 76,836.24 = 21,619.92 : x
  2. Step 2: Convert to fraction form
    51,204/76,836.24 = 21,619.92/x
  3. Step 3: Cross multiply
    51,204x = 76,836.24 × 21,619.92
  4. Step 4: Simplify right side
    51,204x = 1,661,193,361.90
  5. Step 5: Solve for x
    x = 1,661,193,361.90/51,204
  6. Step 6: Final answer
    x = 32,442.65

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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.