Home / 54,942.32-82,357.90-21,649.44

Finding the Fourth Proportional to 54,942.32, 82,357.90 and 21,649.44

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Solution

The fourth proportional to 54,942.32, 82,357.90 and 21,649.44 is: 32,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.32 : 82,357.90 = 21,649.44 : x
  2. Step 2: Convert to fraction form
    54,942.32/82,357.90 = 21,649.44/x
  3. Step 3: Cross multiply
    54,942.32x = 82,357.90 × 21,649.44
  4. Step 4: Simplify right side
    54,942.32x = 1,783,002,414.58
  5. Step 5: Solve for x
    x = 1,783,002,414.58/54,942.32
  6. Step 6: Final answer
    x = 32,452.26

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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.