Home / 45,375.40-68,067.58-14,211.24

Finding the Fourth Proportional to 45,375.40, 68,067.58 and 14,211.24

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Solution

The fourth proportional to 45,375.40, 68,067.58 and 14,211.24 is: 21,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,375.40 : 68,067.58 = 14,211.24 : x
  2. Step 2: Convert to fraction form
    45,375.40/68,067.58 = 14,211.24/x
  3. Step 3: Cross multiply
    45,375.40x = 68,067.58 × 14,211.24
  4. Step 4: Simplify right side
    45,375.40x = 967,324,715.60
  5. Step 5: Solve for x
    x = 967,324,715.60/45,375.40
  6. Step 6: Final answer
    x = 21,318.26

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1.5x scale

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.