Home / 49,211-67,909.20-29,074.34

Finding the Fourth Proportional to 49,211, 67,909.20 and 29,074.34

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Solution

The fourth proportional to 49,211, 67,909.20 and 29,074.34 is: 40,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211 : 67,909.20 = 29,074.34 : x
  2. Step 2: Convert to fraction form
    49,211/67,909.20 = 29,074.34/x
  3. Step 3: Cross multiply
    49,211x = 67,909.20 × 29,074.34
  4. Step 4: Simplify right side
    49,211x = 1,974,415,169.93
  5. Step 5: Solve for x
    x = 1,974,415,169.93/49,211
  6. Step 6: Final answer
    x = 40,121.42

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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.