Home / 40,940.20-61,410.30-40,162.60

Finding the Fourth Proportional to 40,940.20, 61,410.30 and 40,162.60

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Solution

The fourth proportional to 40,940.20, 61,410.30 and 40,162.60 is: 60,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,940.20 : 61,410.30 = 40,162.60 : x
  2. Step 2: Convert to fraction form
    40,940.20/61,410.30 = 40,162.60/x
  3. Step 3: Cross multiply
    40,940.20x = 61,410.30 × 40,162.60
  4. Step 4: Simplify right side
    40,940.20x = 2,466,397,314.78
  5. Step 5: Solve for x
    x = 2,466,397,314.78/40,940.20
  6. Step 6: Final answer
    x = 60,243.90

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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.