Home / 30,198.21-41,671.56-16,769.46

Finding the Fourth Proportional to 30,198.21, 41,671.56 and 16,769.46

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Solution

The fourth proportional to 30,198.21, 41,671.56 and 16,769.46 is: 23,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.21 : 41,671.56 = 16,769.46 : x
  2. Step 2: Convert to fraction form
    30,198.21/41,671.56 = 16,769.46/x
  3. Step 3: Cross multiply
    30,198.21x = 41,671.56 × 16,769.46
  4. Step 4: Simplify right side
    30,198.21x = 698,809,558.56
  5. Step 5: Solve for x
    x = 698,809,558.56/30,198.21
  6. Step 6: Final answer
    x = 23,140.76

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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.