Home / 40,220.56-60,350.94-18,049.78

Finding the Fourth Proportional to 40,220.56, 60,350.94 and 18,049.78

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Solution

The fourth proportional to 40,220.56, 60,350.94 and 18,049.78 is: 27,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.56 : 60,350.94 = 18,049.78 : x
  2. Step 2: Convert to fraction form
    40,220.56/60,350.94 = 18,049.78/x
  3. Step 3: Cross multiply
    40,220.56x = 60,350.94 × 18,049.78
  4. Step 4: Simplify right side
    40,220.56x = 1,089,321,189.79
  5. Step 5: Solve for x
    x = 1,089,321,189.79/40,220.56
  6. Step 6: Final answer
    x = 27,083.69

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1.5x scale

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.