Home / 38,580.24-57,850.92-18,829.20

Finding the Fourth Proportional to 38,580.24, 57,850.92 and 18,829.20

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Solution

The fourth proportional to 38,580.24, 57,850.92 and 18,829.20 is: 28,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.24 : 57,850.92 = 18,829.20 : x
  2. Step 2: Convert to fraction form
    38,580.24/57,850.92 = 18,829.20/x
  3. Step 3: Cross multiply
    38,580.24x = 57,850.92 × 18,829.20
  4. Step 4: Simplify right side
    38,580.24x = 1,089,286,542.86
  5. Step 5: Solve for x
    x = 1,089,286,542.86/38,580.24
  6. Step 6: Final answer
    x = 28,234.31

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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.