Home / 39,198.73-54,094.35-21,293.59

Finding the Fourth Proportional to 39,198.73, 54,094.35 and 21,293.59

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Solution

The fourth proportional to 39,198.73, 54,094.35 and 21,293.59 is: 29,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.73 : 54,094.35 = 21,293.59 : x
  2. Step 2: Convert to fraction form
    39,198.73/54,094.35 = 21,293.59/x
  3. Step 3: Cross multiply
    39,198.73x = 54,094.35 × 21,293.59
  4. Step 4: Simplify right side
    39,198.73x = 1,151,862,910.22
  5. Step 5: Solve for x
    x = 1,151,862,910.22/39,198.73
  6. Step 6: Final answer
    x = 29,385.21

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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.