Home / 33,670.38-50,520.15-18,069.78

Finding the Fourth Proportional to 33,670.38, 50,520.15 and 18,069.78

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Solution

The fourth proportional to 33,670.38, 50,520.15 and 18,069.78 is: 27,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,670.38 : 50,520.15 = 18,069.78 : x
  2. Step 2: Convert to fraction form
    33,670.38/50,520.15 = 18,069.78/x
  3. Step 3: Cross multiply
    33,670.38x = 50,520.15 × 18,069.78
  4. Step 4: Simplify right side
    33,670.38x = 912,887,996.07
  5. Step 5: Solve for x
    x = 912,887,996.07/33,670.38
  6. Step 6: Final answer
    x = 27,112.49

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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.