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Finding the Fourth Proportional to 36,469.92, 54,704.88 and 28,162.06

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Solution

The fourth proportional to 36,469.92, 54,704.88 and 28,162.06 is: 42,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.92 : 54,704.88 = 28,162.06 : x
  2. Step 2: Convert to fraction form
    36,469.92/54,704.88 = 28,162.06/x
  3. Step 3: Cross multiply
    36,469.92x = 54,704.88 × 28,162.06
  4. Step 4: Simplify right side
    36,469.92x = 1,540,602,112.85
  5. Step 5: Solve for x
    x = 1,540,602,112.85/36,469.92
  6. Step 6: Final answer
    x = 42,243.09

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1.5x scale

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.