Home / 33,213.45-49,819.37-12,158.31

Finding the Fourth Proportional to 33,213.45, 49,819.37 and 12,158.31

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Solution

The fourth proportional to 33,213.45, 49,819.37 and 12,158.31 is: 18,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.45 : 49,819.37 = 12,158.31 : x
  2. Step 2: Convert to fraction form
    33,213.45/49,819.37 = 12,158.31/x
  3. Step 3: Cross multiply
    33,213.45x = 49,819.37 × 12,158.31
  4. Step 4: Simplify right side
    33,213.45x = 605,719,283.67
  5. Step 5: Solve for x
    x = 605,719,283.67/33,213.45
  6. Step 6: Final answer
    x = 18,237.17

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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.