Home / 36,872.82-55,292.83-28,081.08

Finding the Fourth Proportional to 36,872.82, 55,292.83 and 28,081.08

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Solution

The fourth proportional to 36,872.82, 55,292.83 and 28,081.08 is: 42,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.82 : 55,292.83 = 28,081.08 : x
  2. Step 2: Convert to fraction form
    36,872.82/55,292.83 = 28,081.08/x
  3. Step 3: Cross multiply
    36,872.82x = 55,292.83 × 28,081.08
  4. Step 4: Simplify right side
    36,872.82x = 1,552,682,312.45
  5. Step 5: Solve for x
    x = 1,552,682,312.45/36,872.82
  6. Step 6: Final answer
    x = 42,109.13

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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.