Home / 29,201.76-43,830.30-18,074.78

Finding the Fourth Proportional to 29,201.76, 43,830.30 and 18,074.78

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Solution

The fourth proportional to 29,201.76, 43,830.30 and 18,074.78 is: 27,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,201.76 : 43,830.30 = 18,074.78 : x
  2. Step 2: Convert to fraction form
    29,201.76/43,830.30 = 18,074.78/x
  3. Step 3: Cross multiply
    29,201.76x = 43,830.30 × 18,074.78
  4. Step 4: Simplify right side
    29,201.76x = 792,223,029.83
  5. Step 5: Solve for x
    x = 792,223,029.83/29,201.76
  6. Step 6: Final answer
    x = 27,129.29

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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.