Home / 39,351.70-54,306.39-22,355.38

Finding the Fourth Proportional to 39,351.70, 54,306.39 and 22,355.38

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Solution

The fourth proportional to 39,351.70, 54,306.39 and 22,355.38 is: 30,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.70 : 54,306.39 = 22,355.38 : x
  2. Step 2: Convert to fraction form
    39,351.70/54,306.39 = 22,355.38/x
  3. Step 3: Cross multiply
    39,351.70x = 54,306.39 × 22,355.38
  4. Step 4: Simplify right side
    39,351.70x = 1,214,039,984.88
  5. Step 5: Solve for x
    x = 1,214,039,984.88/39,351.70
  6. Step 6: Final answer
    x = 30,851.02

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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.