Home / 40,107.92-55,346.54-22,201.85

Finding the Fourth Proportional to 40,107.92, 55,346.54 and 22,201.85

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Solution

The fourth proportional to 40,107.92, 55,346.54 and 22,201.85 is: 30,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.92 : 55,346.54 = 22,201.85 : x
  2. Step 2: Convert to fraction form
    40,107.92/55,346.54 = 22,201.85/x
  3. Step 3: Cross multiply
    40,107.92x = 55,346.54 × 22,201.85
  4. Step 4: Simplify right side
    40,107.92x = 1,228,795,191.36
  5. Step 5: Solve for x
    x = 1,228,795,191.36/40,107.92
  6. Step 6: Final answer
    x = 30,637.22

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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.