Home / 39,863.27-55,013.68-22,867.40

Finding the Fourth Proportional to 39,863.27, 55,013.68 and 22,867.40

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Solution

The fourth proportional to 39,863.27, 55,013.68 and 22,867.40 is: 31,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.27 : 55,013.68 = 22,867.40 : x
  2. Step 2: Convert to fraction form
    39,863.27/55,013.68 = 22,867.40/x
  3. Step 3: Cross multiply
    39,863.27x = 55,013.68 × 22,867.40
  4. Step 4: Simplify right side
    39,863.27x = 1,258,019,826.03
  5. Step 5: Solve for x
    x = 1,258,019,826.03/39,863.27
  6. Step 6: Final answer
    x = 31,558.37

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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.