Home / 33,305.37-49,947.11-11,112.78

Finding the Fourth Proportional to 33,305.37, 49,947.11 and 11,112.78

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Solution

The fourth proportional to 33,305.37, 49,947.11 and 11,112.78 is: 16,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.37 : 49,947.11 = 11,112.78 : x
  2. Step 2: Convert to fraction form
    33,305.37/49,947.11 = 11,112.78/x
  3. Step 3: Cross multiply
    33,305.37x = 49,947.11 × 11,112.78
  4. Step 4: Simplify right side
    33,305.37x = 555,051,245.07
  5. Step 5: Solve for x
    x = 555,051,245.07/33,305.37
  6. Step 6: Final answer
    x = 16,665.52

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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.