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Finding the Fourth Proportional to 33,606, 46,379.16 and 18,704.88

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Solution

The fourth proportional to 33,606, 46,379.16 and 18,704.88 is: 25,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,606 : 46,379.16 = 18,704.88 : x
  2. Step 2: Convert to fraction form
    33,606/46,379.16 = 18,704.88/x
  3. Step 3: Cross multiply
    33,606x = 46,379.16 × 18,704.88
  4. Step 4: Simplify right side
    33,606x = 867,516,622.30
  5. Step 5: Solve for x
    x = 867,516,622.30/33,606
  6. Step 6: Final answer
    x = 25,814.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.