Home / 39,230.33-54,138.78-22,236.30

Finding the Fourth Proportional to 39,230.33, 54,138.78 and 22,236.30

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Solution

The fourth proportional to 39,230.33, 54,138.78 and 22,236.30 is: 30,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230.33 : 54,138.78 = 22,236.30 : x
  2. Step 2: Convert to fraction form
    39,230.33/54,138.78 = 22,236.30/x
  3. Step 3: Cross multiply
    39,230.33x = 54,138.78 × 22,236.30
  4. Step 4: Simplify right side
    39,230.33x = 1,203,846,153.71
  5. Step 5: Solve for x
    x = 1,203,846,153.71/39,230.33
  6. Step 6: Final answer
    x = 30,686.62

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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.