Home / 43,768.49-65,647.26-12,180.92

Finding the Fourth Proportional to 43,768.49, 65,647.26 and 12,180.92

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Solution

The fourth proportional to 43,768.49, 65,647.26 and 12,180.92 is: 18,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.49 : 65,647.26 = 12,180.92 : x
  2. Step 2: Convert to fraction form
    43,768.49/65,647.26 = 12,180.92/x
  3. Step 3: Cross multiply
    43,768.49x = 65,647.26 × 12,180.92
  4. Step 4: Simplify right side
    43,768.49x = 799,643,694.04
  5. Step 5: Solve for x
    x = 799,643,694.04/43,768.49
  6. Step 6: Final answer
    x = 18,269.85

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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.