Home / 57,187.37-85,791.85-21,659.33

Finding the Fourth Proportional to 57,187.37, 85,791.85 and 21,659.33

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Solution

The fourth proportional to 57,187.37, 85,791.85 and 21,659.33 is: 32,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187.37 : 85,791.85 = 21,659.33 : x
  2. Step 2: Convert to fraction form
    57,187.37/85,791.85 = 21,659.33/x
  3. Step 3: Cross multiply
    57,187.37x = 85,791.85 × 21,659.33
  4. Step 4: Simplify right side
    57,187.37x = 1,858,194,076.43
  5. Step 5: Solve for x
    x = 1,858,194,076.43/57,187.37
  6. Step 6: Final answer
    x = 32,493.08

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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.