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Finding the Fourth Proportional to 33,861.76, 50,791.93 and 8,903.43

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Solution

The fourth proportional to 33,861.76, 50,791.93 and 8,903.43 is: 13,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.76 : 50,791.93 = 8,903.43 : x
  2. Step 2: Convert to fraction form
    33,861.76/50,791.93 = 8,903.43/x
  3. Step 3: Cross multiply
    33,861.76x = 50,791.93 × 8,903.43
  4. Step 4: Simplify right side
    33,861.76x = 452,222,371.06
  5. Step 5: Solve for x
    x = 452,222,371.06/33,861.76
  6. Step 6: Final answer
    x = 13,354.96

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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.