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Finding the Fourth Proportional to 33,369.62, 50,053.85 and 8,409.11

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Solution

The fourth proportional to 33,369.62, 50,053.85 and 8,409.11 is: 12,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,369.62 : 50,053.85 = 8,409.11 : x
  2. Step 2: Convert to fraction form
    33,369.62/50,053.85 = 8,409.11/x
  3. Step 3: Cross multiply
    33,369.62x = 50,053.85 × 8,409.11
  4. Step 4: Simplify right side
    33,369.62x = 420,908,413.66
  5. Step 5: Solve for x
    x = 420,908,413.66/33,369.62
  6. Step 6: Final answer
    x = 12,613.52

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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.