Home / 39,131,757.91-54,022,791.35-30,171,297.72

Finding the Fourth Proportional to 39,131,757.91, 54,022,791.35 and 30,171,297.72

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Solution

The fourth proportional to 39,131,757.91, 54,022,791.35 and 30,171,297.72 is: 41,652,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131,757.91 : 54,022,791.35 = 30,171,297.72 : x
  2. Step 2: Convert to fraction form
    39,131,757.91/54,022,791.35 = 30,171,297.72/x
  3. Step 3: Cross multiply
    39,131,757.91x = 54,022,791.35 × 30,171,297.72
  4. Step 4: Simplify right side
    39,131,757.91x = 1,629,937,721,654,185
  5. Step 5: Solve for x
    x = 1,629,937,721,654,185/39,131,757.91
  6. Step 6: Final answer
    x = 41,652,555.59

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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.