Home / 36,381.39-50,198.73-21,271.08

Finding the Fourth Proportional to 36,381.39, 50,198.73 and 21,271.08

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Solution

The fourth proportional to 36,381.39, 50,198.73 and 21,271.08 is: 29,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.39 : 50,198.73 = 21,271.08 : x
  2. Step 2: Convert to fraction form
    36,381.39/50,198.73 = 21,271.08/x
  3. Step 3: Cross multiply
    36,381.39x = 50,198.73 × 21,271.08
  4. Step 4: Simplify right side
    36,381.39x = 1,067,781,201.73
  5. Step 5: Solve for x
    x = 1,067,781,201.73/36,381.39
  6. Step 6: Final answer
    x = 29,349.65

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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.