Home / 33,112.60-49,649.70-12,338.20

Finding the Fourth Proportional to 33,112.60, 49,649.70 and 12,338.20

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Solution

The fourth proportional to 33,112.60, 49,649.70 and 12,338.20 is: 18,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.60 : 49,649.70 = 12,338.20 : x
  2. Step 2: Convert to fraction form
    33,112.60/49,649.70 = 12,338.20/x
  3. Step 3: Cross multiply
    33,112.60x = 49,649.70 × 12,338.20
  4. Step 4: Simplify right side
    33,112.60x = 612,587,928.54
  5. Step 5: Solve for x
    x = 612,587,928.54/33,112.60
  6. Step 6: Final answer
    x = 18,500.15

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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.