Home / 39,949.62-55,128.14-22,044.58

Finding the Fourth Proportional to 39,949.62, 55,128.14 and 22,044.58

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Solution

The fourth proportional to 39,949.62, 55,128.14 and 22,044.58 is: 30,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.62 : 55,128.14 = 22,044.58 : x
  2. Step 2: Convert to fraction form
    39,949.62/55,128.14 = 22,044.58/x
  3. Step 3: Cross multiply
    39,949.62x = 55,128.14 × 22,044.58
  4. Step 4: Simplify right side
    39,949.62x = 1,215,276,692.48
  5. Step 5: Solve for x
    x = 1,215,276,692.48/39,949.62
  6. Step 6: Final answer
    x = 30,420.23

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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.