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Finding the Fourth Proportional to 40,447.80, 60,674.40 and 13,793.40

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Solution

The fourth proportional to 40,447.80, 60,674.40 and 13,793.40 is: 20,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447.80 : 60,674.40 = 13,793.40 : x
  2. Step 2: Convert to fraction form
    40,447.80/60,674.40 = 13,793.40/x
  3. Step 3: Cross multiply
    40,447.80x = 60,674.40 × 13,793.40
  4. Step 4: Simplify right side
    40,447.80x = 836,906,268.96
  5. Step 5: Solve for x
    x = 836,906,268.96/40,447.80
  6. Step 6: Final answer
    x = 20,691.02

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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.