Home / 33,415.82-50,134.27-20,103.38

Finding the Fourth Proportional to 33,415.82, 50,134.27 and 20,103.38

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Solution

The fourth proportional to 33,415.82, 50,134.27 and 20,103.38 is: 30,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.82 : 50,134.27 = 20,103.38 : x
  2. Step 2: Convert to fraction form
    33,415.82/50,134.27 = 20,103.38/x
  3. Step 3: Cross multiply
    33,415.82x = 50,134.27 × 20,103.38
  4. Step 4: Simplify right side
    33,415.82x = 1,007,867,979.90
  5. Step 5: Solve for x
    x = 1,007,867,979.90/33,415.82
  6. Step 6: Final answer
    x = 30,161.40

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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.