Home / 36,850.58-55,286.71-11,890.16

Finding the Fourth Proportional to 36,850.58, 55,286.71 and 11,890.16

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Solution

The fourth proportional to 36,850.58, 55,286.71 and 11,890.16 is: 17,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,850.58 : 55,286.71 = 11,890.16 : x
  2. Step 2: Convert to fraction form
    36,850.58/55,286.71 = 11,890.16/x
  3. Step 3: Cross multiply
    36,850.58x = 55,286.71 × 11,890.16
  4. Step 4: Simplify right side
    36,850.58x = 657,367,521.61
  5. Step 5: Solve for x
    x = 657,367,521.61/36,850.58
  6. Step 6: Final answer
    x = 17,838.73

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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.