Home / 36,956.25-55,422.63-11,990.53

Finding the Fourth Proportional to 36,956.25, 55,422.63 and 11,990.53

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Solution

The fourth proportional to 36,956.25, 55,422.63 and 11,990.53 is: 17,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,956.25 : 55,422.63 = 11,990.53 : x
  2. Step 2: Convert to fraction form
    36,956.25/55,422.63 = 11,990.53/x
  3. Step 3: Cross multiply
    36,956.25x = 55,422.63 × 11,990.53
  4. Step 4: Simplify right side
    36,956.25x = 664,546,776.97
  5. Step 5: Solve for x
    x = 664,546,776.97/36,956.25
  6. Step 6: Final answer
    x = 17,981.99

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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.