Home / 33,575.40-50,331.10-12,509.80

Finding the Fourth Proportional to 33,575.40, 50,331.10 and 12,509.80

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Solution

The fourth proportional to 33,575.40, 50,331.10 and 12,509.80 is: 18,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,575.40 : 50,331.10 = 12,509.80 : x
  2. Step 2: Convert to fraction form
    33,575.40/50,331.10 = 12,509.80/x
  3. Step 3: Cross multiply
    33,575.40x = 50,331.10 × 12,509.80
  4. Step 4: Simplify right side
    33,575.40x = 629,631,994.78
  5. Step 5: Solve for x
    x = 629,631,994.78/33,575.40
  6. Step 6: Final answer
    x = 18,752.78

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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.