Home / 54,949.20-82,205.10-47,634.90

Finding the Fourth Proportional to 54,949.20, 82,205.10 and 47,634.90

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Solution

The fourth proportional to 54,949.20, 82,205.10 and 47,634.90 is: 71,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,949.20 : 82,205.10 = 47,634.90 : x
  2. Step 2: Convert to fraction form
    54,949.20/82,205.10 = 47,634.90/x
  3. Step 3: Cross multiply
    54,949.20x = 82,205.10 × 47,634.90
  4. Step 4: Simplify right side
    54,949.20x = 3,915,831,717.99
  5. Step 5: Solve for x
    x = 3,915,831,717.99/54,949.20
  6. Step 6: Final answer
    x = 71,262.76

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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.