Home / 31,297.44-46,872-27,171.36

Finding the Fourth Proportional to 31,297.44, 46,872 and 27,171.36

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Solution

The fourth proportional to 31,297.44, 46,872 and 27,171.36 is: 40,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.44 : 46,872 = 27,171.36 : x
  2. Step 2: Convert to fraction form
    31,297.44/46,872 = 27,171.36/x
  3. Step 3: Cross multiply
    31,297.44x = 46,872 × 27,171.36
  4. Step 4: Simplify right side
    31,297.44x = 1,273,575,985.92
  5. Step 5: Solve for x
    x = 1,273,575,985.92/31,297.44
  6. Step 6: Final answer
    x = 40,692.66

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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.