Home / 33,376.50-50,069.10-12,331.28

Finding the Fourth Proportional to 33,376.50, 50,069.10 and 12,331.28

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Solution

The fourth proportional to 33,376.50, 50,069.10 and 12,331.28 is: 18,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,376.50 : 50,069.10 = 12,331.28 : x
  2. Step 2: Convert to fraction form
    33,376.50/50,069.10 = 12,331.28/x
  3. Step 3: Cross multiply
    33,376.50x = 50,069.10 × 12,331.28
  4. Step 4: Simplify right side
    33,376.50x = 617,416,216.62
  5. Step 5: Solve for x
    x = 617,416,216.62/33,376.50
  6. Step 6: Final answer
    x = 18,498.53

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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.