Home / 29,137.60-43,707.90-8,360.56

Finding the Fourth Proportional to 29,137.60, 43,707.90 and 8,360.56

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Solution

The fourth proportional to 29,137.60, 43,707.90 and 8,360.56 is: 12,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.60 : 43,707.90 = 8,360.56 : x
  2. Step 2: Convert to fraction form
    29,137.60/43,707.90 = 8,360.56/x
  3. Step 3: Cross multiply
    29,137.60x = 43,707.90 × 8,360.56
  4. Step 4: Simplify right side
    29,137.60x = 365,422,520.42
  5. Step 5: Solve for x
    x = 365,422,520.42/29,137.60
  6. Step 6: Final answer
    x = 12,541.27

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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.