Home / 29,249.55-43,879.79-11,720.75

Finding the Fourth Proportional to 29,249.55, 43,879.79 and 11,720.75

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Solution

The fourth proportional to 29,249.55, 43,879.79 and 11,720.75 is: 17,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,249.55 : 43,879.79 = 11,720.75 : x
  2. Step 2: Convert to fraction form
    29,249.55/43,879.79 = 11,720.75/x
  3. Step 3: Cross multiply
    29,249.55x = 43,879.79 × 11,720.75
  4. Step 4: Simplify right side
    29,249.55x = 514,303,829.24
  5. Step 5: Solve for x
    x = 514,303,829.24/29,249.55
  6. Step 6: Final answer
    x = 17,583.31

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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.