Home / 49,198.78-73,798.08-21,100.69

Finding the Fourth Proportional to 49,198.78, 73,798.08 and 21,100.69

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Solution

The fourth proportional to 49,198.78, 73,798.08 and 21,100.69 is: 31,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,198.78 : 73,798.08 = 21,100.69 : x
  2. Step 2: Convert to fraction form
    49,198.78/73,798.08 = 21,100.69/x
  3. Step 3: Cross multiply
    49,198.78x = 73,798.08 × 21,100.69
  4. Step 4: Simplify right side
    49,198.78x = 1,557,190,408.68
  5. Step 5: Solve for x
    x = 1,557,190,408.68/49,198.78
  6. Step 6: Final answer
    x = 31,651.00

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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.