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Finding the Fourth Proportional to 33,886.80, 50,815.44 and 11,694.24

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Solution

The fourth proportional to 33,886.80, 50,815.44 and 11,694.24 is: 17,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,886.80 : 50,815.44 = 11,694.24 : x
  2. Step 2: Convert to fraction form
    33,886.80/50,815.44 = 11,694.24/x
  3. Step 3: Cross multiply
    33,886.80x = 50,815.44 × 11,694.24
  4. Step 4: Simplify right side
    33,886.80x = 594,247,951.07
  5. Step 5: Solve for x
    x = 594,247,951.07/33,886.80
  6. Step 6: Final answer
    x = 17,536.27

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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.