Home / 30,183.80-41,653.26-16,755.02

Finding the Fourth Proportional to 30,183.80, 41,653.26 and 16,755.02

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Solution

The fourth proportional to 30,183.80, 41,653.26 and 16,755.02 is: 23,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.80 : 41,653.26 = 16,755.02 : x
  2. Step 2: Convert to fraction form
    30,183.80/41,653.26 = 16,755.02/x
  3. Step 3: Cross multiply
    30,183.80x = 41,653.26 × 16,755.02
  4. Step 4: Simplify right side
    30,183.80x = 697,901,204.37
  5. Step 5: Solve for x
    x = 697,901,204.37/30,183.80
  6. Step 6: Final answer
    x = 23,121.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.