Home / 50,229.72-75,366.72-20,653.92

Finding the Fourth Proportional to 50,229.72, 75,366.72 and 20,653.92

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Solution

The fourth proportional to 50,229.72, 75,366.72 and 20,653.92 is: 30,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,229.72 : 75,366.72 = 20,653.92 : x
  2. Step 2: Convert to fraction form
    50,229.72/75,366.72 = 20,653.92/x
  3. Step 3: Cross multiply
    50,229.72x = 75,366.72 × 20,653.92
  4. Step 4: Simplify right side
    50,229.72x = 1,556,618,205.54
  5. Step 5: Solve for x
    x = 1,556,618,205.54/50,229.72
  6. Step 6: Final answer
    x = 30,989.98

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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.