Home / 29,734.40-44,568.78-12,189.20

Finding the Fourth Proportional to 29,734.40, 44,568.78 and 12,189.20

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Solution

The fourth proportional to 29,734.40, 44,568.78 and 12,189.20 is: 18,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,734.40 : 44,568.78 = 12,189.20 : x
  2. Step 2: Convert to fraction form
    29,734.40/44,568.78 = 12,189.20/x
  3. Step 3: Cross multiply
    29,734.40x = 44,568.78 × 12,189.20
  4. Step 4: Simplify right side
    29,734.40x = 543,257,550.33
  5. Step 5: Solve for x
    x = 543,257,550.33/29,734.40
  6. Step 6: Final answer
    x = 18,270.34

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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.