Home / 40,331.20-60,561.60-30,481.60

Finding the Fourth Proportional to 40,331.20, 60,561.60 and 30,481.60

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Solution

The fourth proportional to 40,331.20, 60,561.60 and 30,481.60 is: 45,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,331.20 : 60,561.60 = 30,481.60 : x
  2. Step 2: Convert to fraction form
    40,331.20/60,561.60 = 30,481.60/x
  3. Step 3: Cross multiply
    40,331.20x = 60,561.60 × 30,481.60
  4. Step 4: Simplify right side
    40,331.20x = 1,846,014,466.56
  5. Step 5: Solve for x
    x = 1,846,014,466.56/40,331.20
  6. Step 6: Final answer
    x = 45,771.37

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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.