Home / 43,986.62-65,919.72-18,664.94

Finding the Fourth Proportional to 43,986.62, 65,919.72 and 18,664.94

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Solution

The fourth proportional to 43,986.62, 65,919.72 and 18,664.94 is: 27,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.62 : 65,919.72 = 18,664.94 : x
  2. Step 2: Convert to fraction form
    43,986.62/65,919.72 = 18,664.94/x
  3. Step 3: Cross multiply
    43,986.62x = 65,919.72 × 18,664.94
  4. Step 4: Simplify right side
    43,986.62x = 1,230,387,618.62
  5. Step 5: Solve for x
    x = 1,230,387,618.62/43,986.62
  6. Step 6: Final answer
    x = 27,971.86

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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.