Home / 54,511.78-81,824.87-48,311.46

Finding the Fourth Proportional to 54,511.78, 81,824.87 and 48,311.46

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Solution

The fourth proportional to 54,511.78, 81,824.87 and 48,311.46 is: 72,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.78 : 81,824.87 = 48,311.46 : x
  2. Step 2: Convert to fraction form
    54,511.78/81,824.87 = 48,311.46/x
  3. Step 3: Cross multiply
    54,511.78x = 81,824.87 × 48,311.46
  4. Step 4: Simplify right side
    54,511.78x = 3,953,078,934.01
  5. Step 5: Solve for x
    x = 3,953,078,934.01/54,511.78
  6. Step 6: Final answer
    x = 72,517.88

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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.