Home / 39,930.92-55,102.17-22,025.89

Finding the Fourth Proportional to 39,930.92, 55,102.17 and 22,025.89

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Solution

The fourth proportional to 39,930.92, 55,102.17 and 22,025.89 is: 30,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.92 : 55,102.17 = 22,025.89 : x
  2. Step 2: Convert to fraction form
    39,930.92/55,102.17 = 22,025.89/x
  3. Step 3: Cross multiply
    39,930.92x = 55,102.17 × 22,025.89
  4. Step 4: Simplify right side
    39,930.92x = 1,213,674,335.18
  5. Step 5: Solve for x
    x = 1,213,674,335.18/39,930.92
  6. Step 6: Final answer
    x = 30,394.35

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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.