Home / 43,949.67-65,914.07-18,976.07

Finding the Fourth Proportional to 43,949.67, 65,914.07 and 18,976.07

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Solution

The fourth proportional to 43,949.67, 65,914.07 and 18,976.07 is: 28,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,949.67 : 65,914.07 = 18,976.07 : x
  2. Step 2: Convert to fraction form
    43,949.67/65,914.07 = 18,976.07/x
  3. Step 3: Cross multiply
    43,949.67x = 65,914.07 × 18,976.07
  4. Step 4: Simplify right side
    43,949.67x = 1,250,789,581.85
  5. Step 5: Solve for x
    x = 1,250,789,581.85/43,949.67
  6. Step 6: Final answer
    x = 28,459.59

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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.