Home / 40,173.44-55,438.46-22,268.28

Finding the Fourth Proportional to 40,173.44, 55,438.46 and 22,268.28

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Solution

The fourth proportional to 40,173.44, 55,438.46 and 22,268.28 is: 30,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.44 : 55,438.46 = 22,268.28 : x
  2. Step 2: Convert to fraction form
    40,173.44/55,438.46 = 22,268.28/x
  3. Step 3: Cross multiply
    40,173.44x = 55,438.46 × 22,268.28
  4. Step 4: Simplify right side
    40,173.44x = 1,234,519,330.11
  5. Step 5: Solve for x
    x = 1,234,519,330.11/40,173.44
  6. Step 6: Final answer
    x = 30,729.74

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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.