Home / 38,286.80-52,832.04-21,519.44

Finding the Fourth Proportional to 38,286.80, 52,832.04 and 21,519.44

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Solution

The fourth proportional to 38,286.80, 52,832.04 and 21,519.44 is: 29,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.80 : 52,832.04 = 21,519.44 : x
  2. Step 2: Convert to fraction form
    38,286.80/52,832.04 = 21,519.44/x
  3. Step 3: Cross multiply
    38,286.80x = 52,832.04 × 21,519.44
  4. Step 4: Simplify right side
    38,286.80x = 1,136,915,914.86
  5. Step 5: Solve for x
    x = 1,136,915,914.86/38,286.80
  6. Step 6: Final answer
    x = 29,694.72

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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.