Home / 40,121.49-55,366.94-22,216.44

Finding the Fourth Proportional to 40,121.49, 55,366.94 and 22,216.44

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Solution

The fourth proportional to 40,121.49, 55,366.94 and 22,216.44 is: 30,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.49 : 55,366.94 = 22,216.44 : x
  2. Step 2: Convert to fraction form
    40,121.49/55,366.94 = 22,216.44/x
  3. Step 3: Cross multiply
    40,121.49x = 55,366.94 × 22,216.44
  4. Step 4: Simplify right side
    40,121.49x = 1,230,056,189.41
  5. Step 5: Solve for x
    x = 1,230,056,189.41/40,121.49
  6. Step 6: Final answer
    x = 30,658.29

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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.