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Finding the Fourth Proportional to 33,434, 50,154.04 and 8,810

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Solution

The fourth proportional to 33,434, 50,154.04 and 8,810 is: 13,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,434 : 50,154.04 = 8,810 : x
  2. Step 2: Convert to fraction form
    33,434/50,154.04 = 8,810/x
  3. Step 3: Cross multiply
    33,434x = 50,154.04 × 8,810
  4. Step 4: Simplify right side
    33,434x = 441,857,092.40
  5. Step 5: Solve for x
    x = 441,857,092.40/33,434
  6. Step 6: Final answer
    x = 13,215.80

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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.