Home / 39,274.12-54,198.52-21,369.26

Finding the Fourth Proportional to 39,274.12, 54,198.52 and 21,369.26

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Solution

The fourth proportional to 39,274.12, 54,198.52 and 21,369.26 is: 29,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.12 : 54,198.52 = 21,369.26 : x
  2. Step 2: Convert to fraction form
    39,274.12/54,198.52 = 21,369.26/x
  3. Step 3: Cross multiply
    39,274.12x = 54,198.52 × 21,369.26
  4. Step 4: Simplify right side
    39,274.12x = 1,158,182,265.50
  5. Step 5: Solve for x
    x = 1,158,182,265.50/39,274.12
  6. Step 6: Final answer
    x = 29,489.71

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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.