Home / 33,245.42-45,855.18-19,806.30

Finding the Fourth Proportional to 33,245.42, 45,855.18 and 19,806.30

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Solution

The fourth proportional to 33,245.42, 45,855.18 and 19,806.30 is: 27,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.42 : 45,855.18 = 19,806.30 : x
  2. Step 2: Convert to fraction form
    33,245.42/45,855.18 = 19,806.30/x
  3. Step 3: Cross multiply
    33,245.42x = 45,855.18 × 19,806.30
  4. Step 4: Simplify right side
    33,245.42x = 908,221,451.63
  5. Step 5: Solve for x
    x = 908,221,451.63/33,245.42
  6. Step 6: Final answer
    x = 27,318.70

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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.