Home / 40,172.88-55,438.97-22,268.18

Finding the Fourth Proportional to 40,172.88, 55,438.97 and 22,268.18

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Solution

The fourth proportional to 40,172.88, 55,438.97 and 22,268.18 is: 30,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.88 : 55,438.97 = 22,268.18 : x
  2. Step 2: Convert to fraction form
    40,172.88/55,438.97 = 22,268.18/x
  3. Step 3: Cross multiply
    40,172.88x = 55,438.97 × 22,268.18
  4. Step 4: Simplify right side
    40,172.88x = 1,234,524,574.44
  5. Step 5: Solve for x
    x = 1,234,524,574.44/40,172.88
  6. Step 6: Final answer
    x = 30,730.30

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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.