Home / 39,394.68-54,362.46-22,396.61

Finding the Fourth Proportional to 39,394.68, 54,362.46 and 22,396.61

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Solution

The fourth proportional to 39,394.68, 54,362.46 and 22,396.61 is: 30,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.68 : 54,362.46 = 22,396.61 : x
  2. Step 2: Convert to fraction form
    39,394.68/54,362.46 = 22,396.61/x
  3. Step 3: Cross multiply
    39,394.68x = 54,362.46 × 22,396.61
  4. Step 4: Simplify right side
    39,394.68x = 1,217,534,543.45
  5. Step 5: Solve for x
    x = 1,217,534,543.45/39,394.68
  6. Step 6: Final answer
    x = 30,906.07

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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.