Home / 33,286.24-45,944.48-19,686.88

Finding the Fourth Proportional to 33,286.24, 45,944.48 and 19,686.88

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Solution

The fourth proportional to 33,286.24, 45,944.48 and 19,686.88 is: 27,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.24 : 45,944.48 = 19,686.88 : x
  2. Step 2: Convert to fraction form
    33,286.24/45,944.48 = 19,686.88/x
  3. Step 3: Cross multiply
    33,286.24x = 45,944.48 × 19,686.88
  4. Step 4: Simplify right side
    33,286.24x = 904,503,464.42
  5. Step 5: Solve for x
    x = 904,503,464.42/33,286.24
  6. Step 6: Final answer
    x = 27,173.49

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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.