Home / 40,099.74-55,336.23-22,194.78

Finding the Fourth Proportional to 40,099.74, 55,336.23 and 22,194.78

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Solution

The fourth proportional to 40,099.74, 55,336.23 and 22,194.78 is: 30,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099.74 : 55,336.23 = 22,194.78 : x
  2. Step 2: Convert to fraction form
    40,099.74/55,336.23 = 22,194.78/x
  3. Step 3: Cross multiply
    40,099.74x = 55,336.23 × 22,194.78
  4. Step 4: Simplify right side
    40,099.74x = 1,228,175,450.88
  5. Step 5: Solve for x
    x = 1,228,175,450.88/40,099.74
  6. Step 6: Final answer
    x = 30,628.02

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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.