Home / 29,201.25-43,829.55-18,074.28

Finding the Fourth Proportional to 29,201.25, 43,829.55 and 18,074.28

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Solution

The fourth proportional to 29,201.25, 43,829.55 and 18,074.28 is: 27,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,201.25 : 43,829.55 = 18,074.28 : x
  2. Step 2: Convert to fraction form
    29,201.25/43,829.55 = 18,074.28/x
  3. Step 3: Cross multiply
    29,201.25x = 43,829.55 × 18,074.28
  4. Step 4: Simplify right side
    29,201.25x = 792,187,558.97
  5. Step 5: Solve for x
    x = 792,187,558.97/29,201.25
  6. Step 6: Final answer
    x = 27,128.55

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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.