Home / 36,170.64-54,272.16-28,751.04

Finding the Fourth Proportional to 36,170.64, 54,272.16 and 28,751.04

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Solution

The fourth proportional to 36,170.64, 54,272.16 and 28,751.04 is: 43,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.64 : 54,272.16 = 28,751.04 : x
  2. Step 2: Convert to fraction form
    36,170.64/54,272.16 = 28,751.04/x
  3. Step 3: Cross multiply
    36,170.64x = 54,272.16 × 28,751.04
  4. Step 4: Simplify right side
    36,170.64x = 1,560,381,043.05
  5. Step 5: Solve for x
    x = 1,560,381,043.05/36,170.64
  6. Step 6: Final answer
    x = 43,139.44

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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.