Home / 51,229.31-76,878.49-17,949.68

Finding the Fourth Proportional to 51,229.31, 76,878.49 and 17,949.68

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Solution

The fourth proportional to 51,229.31, 76,878.49 and 17,949.68 is: 26,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.31 : 76,878.49 = 17,949.68 : x
  2. Step 2: Convert to fraction form
    51,229.31/76,878.49 = 17,949.68/x
  3. Step 3: Cross multiply
    51,229.31x = 76,878.49 × 17,949.68
  4. Step 4: Simplify right side
    51,229.31x = 1,379,944,021.33
  5. Step 5: Solve for x
    x = 1,379,944,021.33/51,229.31
  6. Step 6: Final answer
    x = 26,936.61

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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.