Home / 40,194.87-55,470.21-22,291.54

Finding the Fourth Proportional to 40,194.87, 55,470.21 and 22,291.54

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Solution

The fourth proportional to 40,194.87, 55,470.21 and 22,291.54 is: 30,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194.87 : 55,470.21 = 22,291.54 : x
  2. Step 2: Convert to fraction form
    40,194.87/55,470.21 = 22,291.54/x
  3. Step 3: Cross multiply
    40,194.87x = 55,470.21 × 22,291.54
  4. Step 4: Simplify right side
    40,194.87x = 1,236,516,405.02
  5. Step 5: Solve for x
    x = 1,236,516,405.02/40,194.87
  6. Step 6: Final answer
    x = 30,763.04

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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.