Home / 40,570.67-60,861.13-13,921.85

Finding the Fourth Proportional to 40,570.67, 60,861.13 and 13,921.85

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Solution

The fourth proportional to 40,570.67, 60,861.13 and 13,921.85 is: 20,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,570.67 : 60,861.13 = 13,921.85 : x
  2. Step 2: Convert to fraction form
    40,570.67/60,861.13 = 13,921.85/x
  3. Step 3: Cross multiply
    40,570.67x = 60,861.13 × 13,921.85
  4. Step 4: Simplify right side
    40,570.67x = 847,299,183.58
  5. Step 5: Solve for x
    x = 847,299,183.58/40,570.67
  6. Step 6: Final answer
    x = 20,884.53

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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.