Home / 54,933.30-82,344.42-21,640.44

Finding the Fourth Proportional to 54,933.30, 82,344.42 and 21,640.44

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Solution

The fourth proportional to 54,933.30, 82,344.42 and 21,640.44 is: 32,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,933.30 : 82,344.42 = 21,640.44 : x
  2. Step 2: Convert to fraction form
    54,933.30/82,344.42 = 21,640.44/x
  3. Step 3: Cross multiply
    54,933.30x = 82,344.42 × 21,640.44
  4. Step 4: Simplify right side
    54,933.30x = 1,781,969,480.34
  5. Step 5: Solve for x
    x = 1,781,969,480.34/54,933.30
  6. Step 6: Final answer
    x = 32,438.78

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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.