Home / 39,102.48-53,961.49-21,197.43

Finding the Fourth Proportional to 39,102.48, 53,961.49 and 21,197.43

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Solution

The fourth proportional to 39,102.48, 53,961.49 and 21,197.43 is: 29,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.48 : 53,961.49 = 21,197.43 : x
  2. Step 2: Convert to fraction form
    39,102.48/53,961.49 = 21,197.43/x
  3. Step 3: Cross multiply
    39,102.48x = 53,961.49 × 21,197.43
  4. Step 4: Simplify right side
    39,102.48x = 1,143,844,906.97
  5. Step 5: Solve for x
    x = 1,143,844,906.97/39,102.48
  6. Step 6: Final answer
    x = 29,252.49

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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.