Home / 40,040.36-55,251.47-22,132.47

Finding the Fourth Proportional to 40,040.36, 55,251.47 and 22,132.47

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Solution

The fourth proportional to 40,040.36, 55,251.47 and 22,132.47 is: 30,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.36 : 55,251.47 = 22,132.47 : x
  2. Step 2: Convert to fraction form
    40,040.36/55,251.47 = 22,132.47/x
  3. Step 3: Cross multiply
    40,040.36x = 55,251.47 × 22,132.47
  4. Step 4: Simplify right side
    40,040.36x = 1,222,851,640.26
  5. Step 5: Solve for x
    x = 1,222,851,640.26/40,040.36
  6. Step 6: Final answer
    x = 30,540.48

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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.