Home / 39,936.49-55,112.54-22,031.49

Finding the Fourth Proportional to 39,936.49, 55,112.54 and 22,031.49

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Solution

The fourth proportional to 39,936.49, 55,112.54 and 22,031.49 is: 30,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.49 : 55,112.54 = 22,031.49 : x
  2. Step 2: Convert to fraction form
    39,936.49/55,112.54 = 22,031.49/x
  3. Step 3: Cross multiply
    39,936.49x = 55,112.54 × 22,031.49
  4. Step 4: Simplify right side
    39,936.49x = 1,214,211,594.33
  5. Step 5: Solve for x
    x = 1,214,211,594.33/39,936.49
  6. Step 6: Final answer
    x = 30,403.56

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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.