Home / 55,214.26-82,821.39-36,489.90

Finding the Fourth Proportional to 55,214.26, 82,821.39 and 36,489.90

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Solution

The fourth proportional to 55,214.26, 82,821.39 and 36,489.90 is: 54,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,214.26 : 82,821.39 = 36,489.90 : x
  2. Step 2: Convert to fraction form
    55,214.26/82,821.39 = 36,489.90/x
  3. Step 3: Cross multiply
    55,214.26x = 82,821.39 × 36,489.90
  4. Step 4: Simplify right side
    55,214.26x = 3,022,144,238.96
  5. Step 5: Solve for x
    x = 3,022,144,238.96/55,214.26
  6. Step 6: Final answer
    x = 54,734.85

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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.