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Finding the Fourth Proportional to 33,670.49, 50,441.03 and 18,834.42

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Solution

The fourth proportional to 33,670.49, 50,441.03 and 18,834.42 is: 28,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,670.49 : 50,441.03 = 18,834.42 : x
  2. Step 2: Convert to fraction form
    33,670.49/50,441.03 = 18,834.42/x
  3. Step 3: Cross multiply
    33,670.49x = 50,441.03 × 18,834.42
  4. Step 4: Simplify right side
    33,670.49x = 950,027,709.86
  5. Step 5: Solve for x
    x = 950,027,709.86/33,670.49
  6. Step 6: Final answer
    x = 28,215.44

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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.