Home / 57,229.44-85,849.92-21,215.64

Finding the Fourth Proportional to 57,229.44, 85,849.92 and 21,215.64

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Solution

The fourth proportional to 57,229.44, 85,849.92 and 21,215.64 is: 31,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229.44 : 85,849.92 = 21,215.64 : x
  2. Step 2: Convert to fraction form
    57,229.44/85,849.92 = 21,215.64/x
  3. Step 3: Cross multiply
    57,229.44x = 85,849.92 × 21,215.64
  4. Step 4: Simplify right side
    57,229.44x = 1,821,360,996.75
  5. Step 5: Solve for x
    x = 1,821,360,996.75/57,229.44
  6. Step 6: Final answer
    x = 31,825.60

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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.