Home / 36,911.82-55,376.52-11,951.87

Finding the Fourth Proportional to 36,911.82, 55,376.52 and 11,951.87

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Solution

The fourth proportional to 36,911.82, 55,376.52 and 11,951.87 is: 17,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.82 : 55,376.52 = 11,951.87 : x
  2. Step 2: Convert to fraction form
    36,911.82/55,376.52 = 11,951.87/x
  3. Step 3: Cross multiply
    36,911.82x = 55,376.52 × 11,951.87
  4. Step 4: Simplify right side
    36,911.82x = 661,852,968.09
  5. Step 5: Solve for x
    x = 661,852,968.09/36,911.82
  6. Step 6: Final answer
    x = 17,930.65

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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.