Home / 39,106,859.25-58,660,288.96-20,855,760.44

Finding the Fourth Proportional to 39,106,859.25, 58,660,288.96 and 20,855,760.44

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Solution

The fourth proportional to 39,106,859.25, 58,660,288.96 and 20,855,760.44 is: 31,283,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106,859.25 : 58,660,288.96 = 20,855,760.44 : x
  2. Step 2: Convert to fraction form
    39,106,859.25/58,660,288.96 = 20,855,760.44/x
  3. Step 3: Cross multiply
    39,106,859.25x = 58,660,288.96 × 20,855,760.44
  4. Step 4: Simplify right side
    39,106,859.25x = 1,223,404,933,890,936.75
  5. Step 5: Solve for x
    x = 1,223,404,933,890,936.75/39,106,859.25
  6. Step 6: Final answer
    x = 31,283,640.71

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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.