Home / 51,286.73-76,938.19-21,704.72

Finding the Fourth Proportional to 51,286.73, 76,938.19 and 21,704.72

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Solution

The fourth proportional to 51,286.73, 76,938.19 and 21,704.72 is: 32,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.73 : 76,938.19 = 21,704.72 : x
  2. Step 2: Convert to fraction form
    51,286.73/76,938.19 = 21,704.72/x
  3. Step 3: Cross multiply
    51,286.73x = 76,938.19 × 21,704.72
  4. Step 4: Simplify right side
    51,286.73x = 1,669,921,432.30
  5. Step 5: Solve for x
    x = 1,669,921,432.30/51,286.73
  6. Step 6: Final answer
    x = 32,560.50

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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.