Home / 50,422.80-75,634.20-44,979.60

Finding the Fourth Proportional to 50,422.80, 75,634.20 and 44,979.60

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Solution

The fourth proportional to 50,422.80, 75,634.20 and 44,979.60 is: 67,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,422.80 : 75,634.20 = 44,979.60 : x
  2. Step 2: Convert to fraction form
    50,422.80/75,634.20 = 44,979.60/x
  3. Step 3: Cross multiply
    50,422.80x = 75,634.20 × 44,979.60
  4. Step 4: Simplify right side
    50,422.80x = 3,401,996,062.32
  5. Step 5: Solve for x
    x = 3,401,996,062.32/50,422.80
  6. Step 6: Final answer
    x = 67,469.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.