Home / 40,107.66-55,346.19-22,201.60

Finding the Fourth Proportional to 40,107.66, 55,346.19 and 22,201.60

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Solution

The fourth proportional to 40,107.66, 55,346.19 and 22,201.60 is: 30,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.66 : 55,346.19 = 22,201.60 : x
  2. Step 2: Convert to fraction form
    40,107.66/55,346.19 = 22,201.60/x
  3. Step 3: Cross multiply
    40,107.66x = 55,346.19 × 22,201.60
  4. Step 4: Simplify right side
    40,107.66x = 1,228,773,695.17
  5. Step 5: Solve for x
    x = 1,228,773,695.17/40,107.66
  6. Step 6: Final answer
    x = 30,636.88

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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.