Home / 43,734.33-65,605.41-18,768.78

Finding the Fourth Proportional to 43,734.33, 65,605.41 and 18,768.78

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Solution

The fourth proportional to 43,734.33, 65,605.41 and 18,768.78 is: 28,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,734.33 : 65,605.41 = 18,768.78 : x
  2. Step 2: Convert to fraction form
    43,734.33/65,605.41 = 18,768.78/x
  3. Step 3: Cross multiply
    43,734.33x = 65,605.41 × 18,768.78
  4. Step 4: Simplify right side
    43,734.33x = 1,231,333,507.10
  5. Step 5: Solve for x
    x = 1,231,333,507.10/43,734.33
  6. Step 6: Final answer
    x = 28,154.85

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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.