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Finding the Fourth Proportional to 33,471.69, 50,207.55 and 12,695.19

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Solution

The fourth proportional to 33,471.69, 50,207.55 and 12,695.19 is: 19,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,471.69 : 50,207.55 = 12,695.19 : x
  2. Step 2: Convert to fraction form
    33,471.69/50,207.55 = 12,695.19/x
  3. Step 3: Cross multiply
    33,471.69x = 50,207.55 × 12,695.19
  4. Step 4: Simplify right side
    33,471.69x = 637,394,323.21
  5. Step 5: Solve for x
    x = 637,394,323.21/33,471.69
  6. Step 6: Final answer
    x = 19,042.79

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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.