Home / 45,183.32-67,769.19-11,905.95

Finding the Fourth Proportional to 45,183.32, 67,769.19 and 11,905.95

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Solution

The fourth proportional to 45,183.32, 67,769.19 and 11,905.95 is: 17,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.32 : 67,769.19 = 11,905.95 : x
  2. Step 2: Convert to fraction form
    45,183.32/67,769.19 = 11,905.95/x
  3. Step 3: Cross multiply
    45,183.32x = 67,769.19 × 11,905.95
  4. Step 4: Simplify right side
    45,183.32x = 806,856,587.68
  5. Step 5: Solve for x
    x = 806,856,587.68/45,183.32
  6. Step 6: Final answer
    x = 17,857.40

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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.