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Finding the Fourth Proportional to 36,620, 54,927.44 and 19,099.68

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Solution

The fourth proportional to 36,620, 54,927.44 and 19,099.68 is: 28,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620 : 54,927.44 = 19,099.68 : x
  2. Step 2: Convert to fraction form
    36,620/54,927.44 = 19,099.68/x
  3. Step 3: Cross multiply
    36,620x = 54,927.44 × 19,099.68
  4. Step 4: Simplify right side
    36,620x = 1,049,096,527.22
  5. Step 5: Solve for x
    x = 1,049,096,527.22/36,620
  6. Step 6: Final answer
    x = 28,648.18

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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.