Home / 54,942.44-82,357.12-21,649.04

Finding the Fourth Proportional to 54,942.44, 82,357.12 and 21,649.04

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Solution

The fourth proportional to 54,942.44, 82,357.12 and 21,649.04 is: 32,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.44 : 82,357.12 = 21,649.04 : x
  2. Step 2: Convert to fraction form
    54,942.44/82,357.12 = 21,649.04/x
  3. Step 3: Cross multiply
    54,942.44x = 82,357.12 × 21,649.04
  4. Step 4: Simplify right side
    54,942.44x = 1,782,952,585.16
  5. Step 5: Solve for x
    x = 1,782,952,585.16/54,942.44
  6. Step 6: Final answer
    x = 32,451.28

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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.