Home / 38,566.42-57,855.79-11,906.14

Finding the Fourth Proportional to 38,566.42, 57,855.79 and 11,906.14

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Solution

The fourth proportional to 38,566.42, 57,855.79 and 11,906.14 is: 17,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.42 : 57,855.79 = 11,906.14 : x
  2. Step 2: Convert to fraction form
    38,566.42/57,855.79 = 11,906.14/x
  3. Step 3: Cross multiply
    38,566.42x = 57,855.79 × 11,906.14
  4. Step 4: Simplify right side
    38,566.42x = 688,839,244.68
  5. Step 5: Solve for x
    x = 688,839,244.68/38,566.42
  6. Step 6: Final answer
    x = 17,861.11

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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.