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Finding the Fourth Proportional to 33,109.97, 49,636.98 and 14,375.88

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Solution

The fourth proportional to 33,109.97, 49,636.98 and 14,375.88 is: 21,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.97 : 49,636.98 = 14,375.88 : x
  2. Step 2: Convert to fraction form
    33,109.97/49,636.98 = 14,375.88/x
  3. Step 3: Cross multiply
    33,109.97x = 49,636.98 × 14,375.88
  4. Step 4: Simplify right side
    33,109.97x = 713,575,268.04
  5. Step 5: Solve for x
    x = 713,575,268.04/33,109.97
  6. Step 6: Final answer
    x = 21,551.68

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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.