Home / 33,213.44-49,821.12-12,432.96

Finding the Fourth Proportional to 33,213.44, 49,821.12 and 12,432.96

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Solution

The fourth proportional to 33,213.44, 49,821.12 and 12,432.96 is: 18,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.44 : 49,821.12 = 12,432.96 : x
  2. Step 2: Convert to fraction form
    33,213.44/49,821.12 = 12,432.96/x
  3. Step 3: Cross multiply
    33,213.44x = 49,821.12 × 12,432.96
  4. Step 4: Simplify right side
    33,213.44x = 619,423,992.12
  5. Step 5: Solve for x
    x = 619,423,992.12/33,213.44
  6. Step 6: Final answer
    x = 18,649.80

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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.