Home / 54,921.33-82,325.43-21,627.90

Finding the Fourth Proportional to 54,921.33, 82,325.43 and 21,627.90

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Solution

The fourth proportional to 54,921.33, 82,325.43 and 21,627.90 is: 32,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.33 : 82,325.43 = 21,627.90 : x
  2. Step 2: Convert to fraction form
    54,921.33/82,325.43 = 21,627.90/x
  3. Step 3: Cross multiply
    54,921.33x = 82,325.43 × 21,627.90
  4. Step 4: Simplify right side
    54,921.33x = 1,780,526,167.50
  5. Step 5: Solve for x
    x = 1,780,526,167.50/54,921.33
  6. Step 6: Final answer
    x = 32,419.57

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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.