Home / 40,043.86-55,257.81-22,136.44

Finding the Fourth Proportional to 40,043.86, 55,257.81 and 22,136.44

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Solution

The fourth proportional to 40,043.86, 55,257.81 and 22,136.44 is: 30,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.86 : 55,257.81 = 22,136.44 : x
  2. Step 2: Convert to fraction form
    40,043.86/55,257.81 = 22,136.44/x
  3. Step 3: Cross multiply
    40,043.86x = 55,257.81 × 22,136.44
  4. Step 4: Simplify right side
    40,043.86x = 1,223,211,195.60
  5. Step 5: Solve for x
    x = 1,223,211,195.60/40,043.86
  6. Step 6: Final answer
    x = 30,546.79

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1.5x scale

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.