Home / 30,170.22-41,662.94-19,433.78

Finding the Fourth Proportional to 30,170.22, 41,662.94 and 19,433.78

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Solution

The fourth proportional to 30,170.22, 41,662.94 and 19,433.78 is: 26,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.22 : 41,662.94 = 19,433.78 : x
  2. Step 2: Convert to fraction form
    30,170.22/41,662.94 = 19,433.78/x
  3. Step 3: Cross multiply
    30,170.22x = 41,662.94 × 19,433.78
  4. Step 4: Simplify right side
    30,170.22x = 809,668,410.11
  5. Step 5: Solve for x
    x = 809,668,410.11/30,170.22
  6. Step 6: Final answer
    x = 26,836.68

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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.