Home / 51,046.06-76,491.12-21,447.72

Finding the Fourth Proportional to 51,046.06, 76,491.12 and 21,447.72

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Solution

The fourth proportional to 51,046.06, 76,491.12 and 21,447.72 is: 32,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,046.06 : 76,491.12 = 21,447.72 : x
  2. Step 2: Convert to fraction form
    51,046.06/76,491.12 = 21,447.72/x
  3. Step 3: Cross multiply
    51,046.06x = 76,491.12 × 21,447.72
  4. Step 4: Simplify right side
    51,046.06x = 1,640,560,124.25
  5. Step 5: Solve for x
    x = 1,640,560,124.25/51,046.06
  6. Step 6: Final answer
    x = 32,138.82

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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.