Home / 31,367.36-43,224.44-22,389.60

Finding the Fourth Proportional to 31,367.36, 43,224.44 and 22,389.60

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Solution

The fourth proportional to 31,367.36, 43,224.44 and 22,389.60 is: 30,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.36 : 43,224.44 = 22,389.60 : x
  2. Step 2: Convert to fraction form
    31,367.36/43,224.44 = 22,389.60/x
  3. Step 3: Cross multiply
    31,367.36x = 43,224.44 × 22,389.60
  4. Step 4: Simplify right side
    31,367.36x = 967,777,921.82
  5. Step 5: Solve for x
    x = 967,777,921.82/31,367.36
  6. Step 6: Final answer
    x = 30,853.02

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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.