Home / 54,872.10-82,308.42-15,429.56

Finding the Fourth Proportional to 54,872.10, 82,308.42 and 15,429.56

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Solution

The fourth proportional to 54,872.10, 82,308.42 and 15,429.56 is: 23,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.10 : 82,308.42 = 15,429.56 : x
  2. Step 2: Convert to fraction form
    54,872.10/82,308.42 = 15,429.56/x
  3. Step 3: Cross multiply
    54,872.10x = 82,308.42 × 15,429.56
  4. Step 4: Simplify right side
    54,872.10x = 1,269,982,293.35
  5. Step 5: Solve for x
    x = 1,269,982,293.35/54,872.10
  6. Step 6: Final answer
    x = 23,144.41

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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.