Home / 39,797.11-54,921.20-22,806.75

Finding the Fourth Proportional to 39,797.11, 54,921.20 and 22,806.75

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Solution

The fourth proportional to 39,797.11, 54,921.20 and 22,806.75 is: 31,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,797.11 : 54,921.20 = 22,806.75 : x
  2. Step 2: Convert to fraction form
    39,797.11/54,921.20 = 22,806.75/x
  3. Step 3: Cross multiply
    39,797.11x = 54,921.20 × 22,806.75
  4. Step 4: Simplify right side
    39,797.11x = 1,252,574,078.10
  5. Step 5: Solve for x
    x = 1,252,574,078.10/39,797.11
  6. Step 6: Final answer
    x = 31,474.00

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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.