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Finding the Fourth Proportional to 29,884.50, 41,151.59 and 29,221.44

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Solution

The fourth proportional to 29,884.50, 41,151.59 and 29,221.44 is: 40,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,884.50 : 41,151.59 = 29,221.44 : x
  2. Step 2: Convert to fraction form
    29,884.50/41,151.59 = 29,221.44/x
  3. Step 3: Cross multiply
    29,884.50x = 41,151.59 × 29,221.44
  4. Step 4: Simplify right side
    29,884.50x = 1,202,508,571.98
  5. Step 5: Solve for x
    x = 1,202,508,571.98/29,884.50
  6. Step 6: Final answer
    x = 40,238.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.