Home / 50,170.52-69,229.68-28,956.80

Finding the Fourth Proportional to 50,170.52, 69,229.68 and 28,956.80

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Solution

The fourth proportional to 50,170.52, 69,229.68 and 28,956.80 is: 39,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,170.52 : 69,229.68 = 28,956.80 : x
  2. Step 2: Convert to fraction form
    50,170.52/69,229.68 = 28,956.80/x
  3. Step 3: Cross multiply
    50,170.52x = 69,229.68 × 28,956.80
  4. Step 4: Simplify right side
    50,170.52x = 2,004,669,997.82
  5. Step 5: Solve for x
    x = 2,004,669,997.82/50,170.52
  6. Step 6: Final answer
    x = 39,957.13

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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.