Home / 39,949.89-55,131.04-22,044.90

Finding the Fourth Proportional to 39,949.89, 55,131.04 and 22,044.90

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Solution

The fourth proportional to 39,949.89, 55,131.04 and 22,044.90 is: 30,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.89 : 55,131.04 = 22,044.90 : x
  2. Step 2: Convert to fraction form
    39,949.89/55,131.04 = 22,044.90/x
  3. Step 3: Cross multiply
    39,949.89x = 55,131.04 × 22,044.90
  4. Step 4: Simplify right side
    39,949.89x = 1,215,358,263.70
  5. Step 5: Solve for x
    x = 1,215,358,263.70/39,949.89
  6. Step 6: Final answer
    x = 30,422.07

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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.