Home / 50,508.20-69,745.38-31,677.80

Finding the Fourth Proportional to 50,508.20, 69,745.38 and 31,677.80

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Solution

The fourth proportional to 50,508.20, 69,745.38 and 31,677.80 is: 43,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,508.20 : 69,745.38 = 31,677.80 : x
  2. Step 2: Convert to fraction form
    50,508.20/69,745.38 = 31,677.80/x
  3. Step 3: Cross multiply
    50,508.20x = 69,745.38 × 31,677.80
  4. Step 4: Simplify right side
    50,508.20x = 2,209,380,198.56
  5. Step 5: Solve for x
    x = 2,209,380,198.56/50,508.20
  6. Step 6: Final answer
    x = 43,743.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.