Home / 43,105.26-64,660.32-13,522.44

Finding the Fourth Proportional to 43,105.26, 64,660.32 and 13,522.44

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Solution

The fourth proportional to 43,105.26, 64,660.32 and 13,522.44 is: 20,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105.26 : 64,660.32 = 13,522.44 : x
  2. Step 2: Convert to fraction form
    43,105.26/64,660.32 = 13,522.44/x
  3. Step 3: Cross multiply
    43,105.26x = 64,660.32 × 13,522.44
  4. Step 4: Simplify right side
    43,105.26x = 874,365,297.58
  5. Step 5: Solve for x
    x = 874,365,297.58/43,105.26
  6. Step 6: Final answer
    x = 20,284.42

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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.