Home / 50,458.20-75,687.30-20,843.49

Finding the Fourth Proportional to 50,458.20, 75,687.30 and 20,843.49

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Solution

The fourth proportional to 50,458.20, 75,687.30 and 20,843.49 is: 31,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,458.20 : 75,687.30 = 20,843.49 : x
  2. Step 2: Convert to fraction form
    50,458.20/75,687.30 = 20,843.49/x
  3. Step 3: Cross multiply
    50,458.20x = 75,687.30 × 20,843.49
  4. Step 4: Simplify right side
    50,458.20x = 1,577,587,480.68
  5. Step 5: Solve for x
    x = 1,577,587,480.68/50,458.20
  6. Step 6: Final answer
    x = 31,265.24

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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.