Home / 30,375.52-41,935.44-19,759.84

Finding the Fourth Proportional to 30,375.52, 41,935.44 and 19,759.84

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Solution

The fourth proportional to 30,375.52, 41,935.44 and 19,759.84 is: 27,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.52 : 41,935.44 = 19,759.84 : x
  2. Step 2: Convert to fraction form
    30,375.52/41,935.44 = 19,759.84/x
  3. Step 3: Cross multiply
    30,375.52x = 41,935.44 × 19,759.84
  4. Step 4: Simplify right side
    30,375.52x = 828,637,584.73
  5. Step 5: Solve for x
    x = 828,637,584.73/30,375.52
  6. Step 6: Final answer
    x = 27,279.78

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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.