Home / 47,932.20-71,930.70-26,872.20

Finding the Fourth Proportional to 47,932.20, 71,930.70 and 26,872.20

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Solution

The fourth proportional to 47,932.20, 71,930.70 and 26,872.20 is: 40,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,932.20 : 71,930.70 = 26,872.20 : x
  2. Step 2: Convert to fraction form
    47,932.20/71,930.70 = 26,872.20/x
  3. Step 3: Cross multiply
    47,932.20x = 71,930.70 × 26,872.20
  4. Step 4: Simplify right side
    47,932.20x = 1,932,936,156.54
  5. Step 5: Solve for x
    x = 1,932,936,156.54/47,932.20
  6. Step 6: Final answer
    x = 40,326.46

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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.