Home / 40,286.80-55,596.78-22,381.60

Finding the Fourth Proportional to 40,286.80, 55,596.78 and 22,381.60

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Solution

The fourth proportional to 40,286.80, 55,596.78 and 22,381.60 is: 30,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.80 : 55,596.78 = 22,381.60 : x
  2. Step 2: Convert to fraction form
    40,286.80/55,596.78 = 22,381.60/x
  3. Step 3: Cross multiply
    40,286.80x = 55,596.78 × 22,381.60
  4. Step 4: Simplify right side
    40,286.80x = 1,244,344,891.25
  5. Step 5: Solve for x
    x = 1,244,344,891.25/40,286.80
  6. Step 6: Final answer
    x = 30,887.16

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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.