Home / 40,197.68-60,305.72-13,902.40

Finding the Fourth Proportional to 40,197.68, 60,305.72 and 13,902.40

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Solution

The fourth proportional to 40,197.68, 60,305.72 and 13,902.40 is: 20,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,197.68 : 60,305.72 = 13,902.40 : x
  2. Step 2: Convert to fraction form
    40,197.68/60,305.72 = 13,902.40/x
  3. Step 3: Cross multiply
    40,197.68x = 60,305.72 × 13,902.40
  4. Step 4: Simplify right side
    40,197.68x = 838,394,247.60
  5. Step 5: Solve for x
    x = 838,394,247.60/40,197.68
  6. Step 6: Final answer
    x = 20,856.78

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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.