Home / 40,512.20-60,765.42-10,931.72

Finding the Fourth Proportional to 40,512.20, 60,765.42 and 10,931.72

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Solution

The fourth proportional to 40,512.20, 60,765.42 and 10,931.72 is: 16,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.20 : 60,765.42 = 10,931.72 : x
  2. Step 2: Convert to fraction form
    40,512.20/60,765.42 = 10,931.72/x
  3. Step 3: Cross multiply
    40,512.20x = 60,765.42 × 10,931.72
  4. Step 4: Simplify right side
    40,512.20x = 664,270,557.12
  5. Step 5: Solve for x
    x = 664,270,557.12/40,512.20
  6. Step 6: Final answer
    x = 16,396.80

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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.