Home / 39,298.68-54,231.03-21,393.27

Finding the Fourth Proportional to 39,298.68, 54,231.03 and 21,393.27

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Solution

The fourth proportional to 39,298.68, 54,231.03 and 21,393.27 is: 29,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.68 : 54,231.03 = 21,393.27 : x
  2. Step 2: Convert to fraction form
    39,298.68/54,231.03 = 21,393.27/x
  3. Step 3: Cross multiply
    39,298.68x = 54,231.03 × 21,393.27
  4. Step 4: Simplify right side
    39,298.68x = 1,160,179,067.17
  5. Step 5: Solve for x
    x = 1,160,179,067.17/39,298.68
  6. Step 6: Final answer
    x = 29,522.09

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1.5x scale

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.