Home / 51,769.78-71,441.94-29,413.78

Finding the Fourth Proportional to 51,769.78, 71,441.94 and 29,413.78

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Solution

The fourth proportional to 51,769.78, 71,441.94 and 29,413.78 is: 40,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.78 : 71,441.94 = 29,413.78 : x
  2. Step 2: Convert to fraction form
    51,769.78/71,441.94 = 29,413.78/x
  3. Step 3: Cross multiply
    51,769.78x = 71,441.94 × 29,413.78
  4. Step 4: Simplify right side
    51,769.78x = 2,101,377,505.93
  5. Step 5: Solve for x
    x = 2,101,377,505.93/51,769.78
  6. Step 6: Final answer
    x = 40,590.81

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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.