Home / 49,191.09-73,786.70-21,093

Finding the Fourth Proportional to 49,191.09, 73,786.70 and 21,093

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Solution

The fourth proportional to 49,191.09, 73,786.70 and 21,093 is: 31,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,191.09 : 73,786.70 = 21,093 : x
  2. Step 2: Convert to fraction form
    49,191.09/73,786.70 = 21,093/x
  3. Step 3: Cross multiply
    49,191.09x = 73,786.70 × 21,093
  4. Step 4: Simplify right side
    49,191.09x = 1,556,382,863.10
  5. Step 5: Solve for x
    x = 1,556,382,863.10/49,191.09
  6. Step 6: Final answer
    x = 31,639.53

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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.