Home / 40,201.28-55,475.04-22,295.60

Finding the Fourth Proportional to 40,201.28, 55,475.04 and 22,295.60

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Solution

The fourth proportional to 40,201.28, 55,475.04 and 22,295.60 is: 30,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.28 : 55,475.04 = 22,295.60 : x
  2. Step 2: Convert to fraction form
    40,201.28/55,475.04 = 22,295.60/x
  3. Step 3: Cross multiply
    40,201.28x = 55,475.04 × 22,295.60
  4. Step 4: Simplify right side
    40,201.28x = 1,236,849,301.82
  5. Step 5: Solve for x
    x = 1,236,849,301.82/40,201.28
  6. Step 6: Final answer
    x = 30,766.42

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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.