Home / 40,016.12-55,223.37-22,112.29

Finding the Fourth Proportional to 40,016.12, 55,223.37 and 22,112.29

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Solution

The fourth proportional to 40,016.12, 55,223.37 and 22,112.29 is: 30,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.12 : 55,223.37 = 22,112.29 : x
  2. Step 2: Convert to fraction form
    40,016.12/55,223.37 = 22,112.29/x
  3. Step 3: Cross multiply
    40,016.12x = 55,223.37 × 22,112.29
  4. Step 4: Simplify right side
    40,016.12x = 1,221,115,172.22
  5. Step 5: Solve for x
    x = 1,221,115,172.22/40,016.12
  6. Step 6: Final answer
    x = 30,515.58

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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.