Home / 51,292.20-76,938.30-27,672.60

Finding the Fourth Proportional to 51,292.20, 76,938.30 and 27,672.60

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Solution

The fourth proportional to 51,292.20, 76,938.30 and 27,672.60 is: 41,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.20 : 76,938.30 = 27,672.60 : x
  2. Step 2: Convert to fraction form
    51,292.20/76,938.30 = 27,672.60/x
  3. Step 3: Cross multiply
    51,292.20x = 76,938.30 × 27,672.60
  4. Step 4: Simplify right side
    51,292.20x = 2,129,082,800.58
  5. Step 5: Solve for x
    x = 2,129,082,800.58/51,292.20
  6. Step 6: Final answer
    x = 41,508.90

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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.