Home / 36,911.91-55,376.68-11,951.99

Finding the Fourth Proportional to 36,911.91, 55,376.68 and 11,951.99

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Solution

The fourth proportional to 36,911.91, 55,376.68 and 11,951.99 is: 17,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.91 : 55,376.68 = 11,951.99 : x
  2. Step 2: Convert to fraction form
    36,911.91/55,376.68 = 11,951.99/x
  3. Step 3: Cross multiply
    36,911.91x = 55,376.68 × 11,951.99
  4. Step 4: Simplify right side
    36,911.91x = 661,861,248.71
  5. Step 5: Solve for x
    x = 661,861,248.71/36,911.91
  6. Step 6: Final answer
    x = 17,930.83

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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.