Home / 54,511.28-81,824.12-48,310.96

Finding the Fourth Proportional to 54,511.28, 81,824.12 and 48,310.96

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Solution

The fourth proportional to 54,511.28, 81,824.12 and 48,310.96 is: 72,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.28 : 81,824.12 = 48,310.96 : x
  2. Step 2: Convert to fraction form
    54,511.28/81,824.12 = 48,310.96/x
  3. Step 3: Cross multiply
    54,511.28x = 81,824.12 × 48,310.96
  4. Step 4: Simplify right side
    54,511.28x = 3,953,001,788.36
  5. Step 5: Solve for x
    x = 3,953,001,788.36/54,511.28
  6. Step 6: Final answer
    x = 72,517.13

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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.