Home / 54,856.80-82,294.20-19,308.96

Finding the Fourth Proportional to 54,856.80, 82,294.20 and 19,308.96

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Solution

The fourth proportional to 54,856.80, 82,294.20 and 19,308.96 is: 28,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.80 : 82,294.20 = 19,308.96 : x
  2. Step 2: Convert to fraction form
    54,856.80/82,294.20 = 19,308.96/x
  3. Step 3: Cross multiply
    54,856.80x = 82,294.20 × 19,308.96
  4. Step 4: Simplify right side
    54,856.80x = 1,589,015,416.03
  5. Step 5: Solve for x
    x = 1,589,015,416.03/54,856.80
  6. Step 6: Final answer
    x = 28,966.61

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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.