Home / 39,198.33-54,094.07-21,293.69

Finding the Fourth Proportional to 39,198.33, 54,094.07 and 21,293.69

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Solution

The fourth proportional to 39,198.33, 54,094.07 and 21,293.69 is: 29,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.33 : 54,094.07 = 21,293.69 : x
  2. Step 2: Convert to fraction form
    39,198.33/54,094.07 = 21,293.69/x
  3. Step 3: Cross multiply
    39,198.33x = 54,094.07 × 21,293.69
  4. Step 4: Simplify right side
    39,198.33x = 1,151,862,140.18
  5. Step 5: Solve for x
    x = 1,151,862,140.18/39,198.33
  6. Step 6: Final answer
    x = 29,385.49

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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.