Home / 40,630.10-60,921.71-12,542.64

Finding the Fourth Proportional to 40,630.10, 60,921.71 and 12,542.64

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Solution

The fourth proportional to 40,630.10, 60,921.71 and 12,542.64 is: 18,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.10 : 60,921.71 = 12,542.64 : x
  2. Step 2: Convert to fraction form
    40,630.10/60,921.71 = 12,542.64/x
  3. Step 3: Cross multiply
    40,630.10x = 60,921.71 × 12,542.64
  4. Step 4: Simplify right side
    40,630.10x = 764,119,194.16
  5. Step 5: Solve for x
    x = 764,119,194.16/40,630.10
  6. Step 6: Final answer
    x = 18,806.73

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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.