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Finding the Fourth Proportional to 55,662.78, 83,383.05 and 33,464.22

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Solution

The fourth proportional to 55,662.78, 83,383.05 and 33,464.22 is: 50,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662.78 : 83,383.05 = 33,464.22 : x
  2. Step 2: Convert to fraction form
    55,662.78/83,383.05 = 33,464.22/x
  3. Step 3: Cross multiply
    55,662.78x = 83,383.05 × 33,464.22
  4. Step 4: Simplify right side
    55,662.78x = 2,790,348,729.47
  5. Step 5: Solve for x
    x = 2,790,348,729.47/55,662.78
  6. Step 6: Final answer
    x = 50,129.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.