Home / 36,877.20-55,272.04-21,262.56

Finding the Fourth Proportional to 36,877.20, 55,272.04 and 21,262.56

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Solution

The fourth proportional to 36,877.20, 55,272.04 and 21,262.56 is: 31,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,877.20 : 55,272.04 = 21,262.56 : x
  2. Step 2: Convert to fraction form
    36,877.20/55,272.04 = 21,262.56/x
  3. Step 3: Cross multiply
    36,877.20x = 55,272.04 × 21,262.56
  4. Step 4: Simplify right side
    36,877.20x = 1,175,225,066.82
  5. Step 5: Solve for x
    x = 1,175,225,066.82/36,877.20
  6. Step 6: Final answer
    x = 31,868.61

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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.