Home / 38,202.72-57,321.24-20,652

Finding the Fourth Proportional to 38,202.72, 57,321.24 and 20,652

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Solution

The fourth proportional to 38,202.72, 57,321.24 and 20,652 is: 30,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,202.72 : 57,321.24 = 20,652 : x
  2. Step 2: Convert to fraction form
    38,202.72/57,321.24 = 20,652/x
  3. Step 3: Cross multiply
    38,202.72x = 57,321.24 × 20,652
  4. Step 4: Simplify right side
    38,202.72x = 1,183,798,248.48
  5. Step 5: Solve for x
    x = 1,183,798,248.48/38,202.72
  6. Step 6: Final answer
    x = 30,987.28

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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.