Home / 33,181.32-49,770.74-8,221.44

Finding the Fourth Proportional to 33,181.32, 49,770.74 and 8,221.44

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Solution

The fourth proportional to 33,181.32, 49,770.74 and 8,221.44 is: 12,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.32 : 49,770.74 = 8,221.44 : x
  2. Step 2: Convert to fraction form
    33,181.32/49,770.74 = 8,221.44/x
  3. Step 3: Cross multiply
    33,181.32x = 49,770.74 × 8,221.44
  4. Step 4: Simplify right side
    33,181.32x = 409,187,152.67
  5. Step 5: Solve for x
    x = 409,187,152.67/33,181.32
  6. Step 6: Final answer
    x = 12,331.85

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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.