Home / 40,436.20-55,815.78-34,906.60

Finding the Fourth Proportional to 40,436.20, 55,815.78 and 34,906.60

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Solution

The fourth proportional to 40,436.20, 55,815.78 and 34,906.60 is: 48,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,436.20 : 55,815.78 = 34,906.60 : x
  2. Step 2: Convert to fraction form
    40,436.20/55,815.78 = 34,906.60/x
  3. Step 3: Cross multiply
    40,436.20x = 55,815.78 × 34,906.60
  4. Step 4: Simplify right side
    40,436.20x = 1,948,339,106.15
  5. Step 5: Solve for x
    x = 1,948,339,106.15/40,436.20
  6. Step 6: Final answer
    x = 48,183.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.