Home / 33,110.78-49,676.51-10,939.73

Finding the Fourth Proportional to 33,110.78, 49,676.51 and 10,939.73

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Solution

The fourth proportional to 33,110.78, 49,676.51 and 10,939.73 is: 16,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.78 : 49,676.51 = 10,939.73 : x
  2. Step 2: Convert to fraction form
    33,110.78/49,676.51 = 10,939.73/x
  3. Step 3: Cross multiply
    33,110.78x = 49,676.51 × 10,939.73
  4. Step 4: Simplify right side
    33,110.78x = 543,447,452.04
  5. Step 5: Solve for x
    x = 543,447,452.04/33,110.78
  6. Step 6: Final answer
    x = 16,413.01

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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.