Home / 45,378.32-68,067.48-14,216

Finding the Fourth Proportional to 45,378.32, 68,067.48 and 14,216

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Solution

The fourth proportional to 45,378.32, 68,067.48 and 14,216 is: 21,324

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.32 : 68,067.48 = 14,216 : x
  2. Step 2: Convert to fraction form
    45,378.32/68,067.48 = 14,216/x
  3. Step 3: Cross multiply
    45,378.32x = 68,067.48 × 14,216
  4. Step 4: Simplify right side
    45,378.32x = 967,647,295.68
  5. Step 5: Solve for x
    x = 967,647,295.68/45,378.32
  6. Step 6: Final answer
    x = 21,324

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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.