Home / 39,297.27-54,231.30-21,393.48

Finding the Fourth Proportional to 39,297.27, 54,231.30 and 21,393.48

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Solution

The fourth proportional to 39,297.27, 54,231.30 and 21,393.48 is: 29,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,297.27 : 54,231.30 = 21,393.48 : x
  2. Step 2: Convert to fraction form
    39,297.27/54,231.30 = 21,393.48/x
  3. Step 3: Cross multiply
    39,297.27x = 54,231.30 × 21,393.48
  4. Step 4: Simplify right side
    39,297.27x = 1,160,196,231.92
  5. Step 5: Solve for x
    x = 1,160,196,231.92/39,297.27
  6. Step 6: Final answer
    x = 29,523.58

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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.