Home / 50,574.75-69,793.20-28,218.75

Finding the Fourth Proportional to 50,574.75, 69,793.20 and 28,218.75

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Solution

The fourth proportional to 50,574.75, 69,793.20 and 28,218.75 is: 38,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,574.75 : 69,793.20 = 28,218.75 : x
  2. Step 2: Convert to fraction form
    50,574.75/69,793.20 = 28,218.75/x
  3. Step 3: Cross multiply
    50,574.75x = 69,793.20 × 28,218.75
  4. Step 4: Simplify right side
    50,574.75x = 1,969,476,862.50
  5. Step 5: Solve for x
    x = 1,969,476,862.50/50,574.75
  6. Step 6: Final answer
    x = 38,941.90

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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.