Home / 40,040.52-55,251.68-22,132.63

Finding the Fourth Proportional to 40,040.52, 55,251.68 and 22,132.63

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Solution

The fourth proportional to 40,040.52, 55,251.68 and 22,132.63 is: 30,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.52 : 55,251.68 = 22,132.63 : x
  2. Step 2: Convert to fraction form
    40,040.52/55,251.68 = 22,132.63/x
  3. Step 3: Cross multiply
    40,040.52x = 55,251.68 × 22,132.63
  4. Step 4: Simplify right side
    40,040.52x = 1,222,864,990.32
  5. Step 5: Solve for x
    x = 1,222,864,990.32/40,040.52
  6. Step 6: Final answer
    x = 30,540.69

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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.