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Finding the Fourth Proportional to 33,275, 49,901.74 and 11,082.44

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Solution

The fourth proportional to 33,275, 49,901.74 and 11,082.44 is: 16,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275 : 49,901.74 = 11,082.44 : x
  2. Step 2: Convert to fraction form
    33,275/49,901.74 = 11,082.44/x
  3. Step 3: Cross multiply
    33,275x = 49,901.74 × 11,082.44
  4. Step 4: Simplify right side
    33,275x = 553,033,039.45
  5. Step 5: Solve for x
    x = 553,033,039.45/33,275
  6. Step 6: Final answer
    x = 16,620.08

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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.