Home / 40,198.21-55,474.88-22,292.15

Finding the Fourth Proportional to 40,198.21, 55,474.88 and 22,292.15

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Solution

The fourth proportional to 40,198.21, 55,474.88 and 22,292.15 is: 30,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.21 : 55,474.88 = 22,292.15 : x
  2. Step 2: Convert to fraction form
    40,198.21/55,474.88 = 22,292.15/x
  3. Step 3: Cross multiply
    40,198.21x = 55,474.88 × 22,292.15
  4. Step 4: Simplify right side
    40,198.21x = 1,236,653,957.36
  5. Step 5: Solve for x
    x = 1,236,653,957.36/40,198.21
  6. Step 6: Final answer
    x = 30,763.91

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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.