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Finding the Fourth Proportional to 33,236.32, 49,853.84 and 8,611.68

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Solution

The fourth proportional to 33,236.32, 49,853.84 and 8,611.68 is: 12,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,236.32 : 49,853.84 = 8,611.68 : x
  2. Step 2: Convert to fraction form
    33,236.32/49,853.84 = 8,611.68/x
  3. Step 3: Cross multiply
    33,236.32x = 49,853.84 × 8,611.68
  4. Step 4: Simplify right side
    33,236.32x = 429,325,316.85
  5. Step 5: Solve for x
    x = 429,325,316.85/33,236.32
  6. Step 6: Final answer
    x = 12,917.35

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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.