Home / 43,667.43-65,446.32-18,678.09

Finding the Fourth Proportional to 43,667.43, 65,446.32 and 18,678.09

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Solution

The fourth proportional to 43,667.43, 65,446.32 and 18,678.09 is: 27,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.43 : 65,446.32 = 18,678.09 : x
  2. Step 2: Convert to fraction form
    43,667.43/65,446.32 = 18,678.09/x
  3. Step 3: Cross multiply
    43,667.43x = 65,446.32 × 18,678.09
  4. Step 4: Simplify right side
    43,667.43x = 1,222,412,255.13
  5. Step 5: Solve for x
    x = 1,222,412,255.13/43,667.43
  6. Step 6: Final answer
    x = 27,993.68

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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.