Home / 39,936.27-55,112.11-22,031.24

Finding the Fourth Proportional to 39,936.27, 55,112.11 and 22,031.24

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Solution

The fourth proportional to 39,936.27, 55,112.11 and 22,031.24 is: 30,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.27 : 55,112.11 = 22,031.24 : x
  2. Step 2: Convert to fraction form
    39,936.27/55,112.11 = 22,031.24/x
  3. Step 3: Cross multiply
    39,936.27x = 55,112.11 × 22,031.24
  4. Step 4: Simplify right side
    39,936.27x = 1,214,188,122.32
  5. Step 5: Solve for x
    x = 1,214,188,122.32/39,936.27
  6. Step 6: Final answer
    x = 30,403.14

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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.