Home / 54,955.25-82,377.49-21,662.43

Finding the Fourth Proportional to 54,955.25, 82,377.49 and 21,662.43

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Solution

The fourth proportional to 54,955.25, 82,377.49 and 21,662.43 is: 32,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955.25 : 82,377.49 = 21,662.43 : x
  2. Step 2: Convert to fraction form
    54,955.25/82,377.49 = 21,662.43/x
  3. Step 3: Cross multiply
    54,955.25x = 82,377.49 × 21,662.43
  4. Step 4: Simplify right side
    54,955.25x = 1,784,496,610.70
  5. Step 5: Solve for x
    x = 1,784,496,610.70/54,955.25
  6. Step 6: Final answer
    x = 32,471.81

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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.