Home / 29,115.18-43,682.49-11,580.30

Finding the Fourth Proportional to 29,115.18, 43,682.49 and 11,580.30

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Solution

The fourth proportional to 29,115.18, 43,682.49 and 11,580.30 is: 17,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.18 : 43,682.49 = 11,580.30 : x
  2. Step 2: Convert to fraction form
    29,115.18/43,682.49 = 11,580.30/x
  3. Step 3: Cross multiply
    29,115.18x = 43,682.49 × 11,580.30
  4. Step 4: Simplify right side
    29,115.18x = 505,856,338.95
  5. Step 5: Solve for x
    x = 505,856,338.95/29,115.18
  6. Step 6: Final answer
    x = 17,374.32

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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.