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Finding the Fourth Proportional to 33,995.62, 50,991.89 and 11,810.73

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Solution

The fourth proportional to 33,995.62, 50,991.89 and 11,810.73 is: 17,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.62 : 50,991.89 = 11,810.73 : x
  2. Step 2: Convert to fraction form
    33,995.62/50,991.89 = 11,810.73/x
  3. Step 3: Cross multiply
    33,995.62x = 50,991.89 × 11,810.73
  4. Step 4: Simplify right side
    33,995.62x = 602,251,385.93
  5. Step 5: Solve for x
    x = 602,251,385.93/33,995.62
  6. Step 6: Final answer
    x = 17,715.56

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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.