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Finding the Fourth Proportional to 50,773.65, 70,060.49 and 28,113.98

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Solution

The fourth proportional to 50,773.65, 70,060.49 and 28,113.98 is: 38,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,773.65 : 70,060.49 = 28,113.98 : x
  2. Step 2: Convert to fraction form
    50,773.65/70,060.49 = 28,113.98/x
  3. Step 3: Cross multiply
    50,773.65x = 70,060.49 × 28,113.98
  4. Step 4: Simplify right side
    50,773.65x = 1,969,678,723.78
  5. Step 5: Solve for x
    x = 1,969,678,723.78/50,773.65
  6. Step 6: Final answer
    x = 38,793.33

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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.