Home / 33,312.54-49,944.09-20,161.78

Finding the Fourth Proportional to 33,312.54, 49,944.09 and 20,161.78

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Solution

The fourth proportional to 33,312.54, 49,944.09 and 20,161.78 is: 30,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.54 : 49,944.09 = 20,161.78 : x
  2. Step 2: Convert to fraction form
    33,312.54/49,944.09 = 20,161.78/x
  3. Step 3: Cross multiply
    33,312.54x = 49,944.09 × 20,161.78
  4. Step 4: Simplify right side
    33,312.54x = 1,006,961,754.88
  5. Step 5: Solve for x
    x = 1,006,961,754.88/33,312.54
  6. Step 6: Final answer
    x = 30,227.71

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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.