Home / 39,928.92-55,099.41-22,023.89

Finding the Fourth Proportional to 39,928.92, 55,099.41 and 22,023.89

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Solution

The fourth proportional to 39,928.92, 55,099.41 and 22,023.89 is: 30,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.92 : 55,099.41 = 22,023.89 : x
  2. Step 2: Convert to fraction form
    39,928.92/55,099.41 = 22,023.89/x
  3. Step 3: Cross multiply
    39,928.92x = 55,099.41 × 22,023.89
  4. Step 4: Simplify right side
    39,928.92x = 1,213,503,301.78
  5. Step 5: Solve for x
    x = 1,213,503,301.78/39,928.92
  6. Step 6: Final answer
    x = 30,391.58

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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.