Home / 39,306.43-54,241.77-22,078.36

Finding the Fourth Proportional to 39,306.43, 54,241.77 and 22,078.36

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Solution

The fourth proportional to 39,306.43, 54,241.77 and 22,078.36 is: 30,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.43 : 54,241.77 = 22,078.36 : x
  2. Step 2: Convert to fraction form
    39,306.43/54,241.77 = 22,078.36/x
  3. Step 3: Cross multiply
    39,306.43x = 54,241.77 × 22,078.36
  4. Step 4: Simplify right side
    39,306.43x = 1,197,569,325.10
  5. Step 5: Solve for x
    x = 1,197,569,325.10/39,306.43
  6. Step 6: Final answer
    x = 30,467.52

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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.