Home / 48,648.21-67,135.71-27,137.79

Finding the Fourth Proportional to 48,648.21, 67,135.71 and 27,137.79

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Solution

The fourth proportional to 48,648.21, 67,135.71 and 27,137.79 is: 37,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.21 : 67,135.71 = 27,137.79 : x
  2. Step 2: Convert to fraction form
    48,648.21/67,135.71 = 27,137.79/x
  3. Step 3: Cross multiply
    48,648.21x = 67,135.71 × 27,137.79
  4. Step 4: Simplify right side
    48,648.21x = 1,821,914,799.48
  5. Step 5: Solve for x
    x = 1,821,914,799.48/48,648.21
  6. Step 6: Final answer
    x = 37,450.81

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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.