Home / 33,245.20-49,867.80-20,112.40

Finding the Fourth Proportional to 33,245.20, 49,867.80 and 20,112.40

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Solution

The fourth proportional to 33,245.20, 49,867.80 and 20,112.40 is: 30,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.20 : 49,867.80 = 20,112.40 : x
  2. Step 2: Convert to fraction form
    33,245.20/49,867.80 = 20,112.40/x
  3. Step 3: Cross multiply
    33,245.20x = 49,867.80 × 20,112.40
  4. Step 4: Simplify right side
    33,245.20x = 1,002,961,140.72
  5. Step 5: Solve for x
    x = 1,002,961,140.72/33,245.20
  6. Step 6: Final answer
    x = 30,168.60

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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.