Home / 29,147.76-43,728.96-8,371.44

Finding the Fourth Proportional to 29,147.76, 43,728.96 and 8,371.44

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Solution

The fourth proportional to 29,147.76, 43,728.96 and 8,371.44 is: 12,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.76 : 43,728.96 = 8,371.44 : x
  2. Step 2: Convert to fraction form
    29,147.76/43,728.96 = 8,371.44/x
  3. Step 3: Cross multiply
    29,147.76x = 43,728.96 × 8,371.44
  4. Step 4: Simplify right side
    29,147.76x = 366,074,364.90
  5. Step 5: Solve for x
    x = 366,074,364.90/29,147.76
  6. Step 6: Final answer
    x = 12,559.26

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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.