Home / 40,040.47-55,255.26-22,135.11

Finding the Fourth Proportional to 40,040.47, 55,255.26 and 22,135.11

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Solution

The fourth proportional to 40,040.47, 55,255.26 and 22,135.11 is: 30,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.47 : 55,255.26 = 22,135.11 : x
  2. Step 2: Convert to fraction form
    40,040.47/55,255.26 = 22,135.11/x
  3. Step 3: Cross multiply
    40,040.47x = 55,255.26 × 22,135.11
  4. Step 4: Simplify right side
    40,040.47x = 1,223,081,258.18
  5. Step 5: Solve for x
    x = 1,223,081,258.18/40,040.47
  6. Step 6: Final answer
    x = 30,546.13

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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.