Home / 30,404.13-41,958.39-19,074.09

Finding the Fourth Proportional to 30,404.13, 41,958.39 and 19,074.09

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Solution

The fourth proportional to 30,404.13, 41,958.39 and 19,074.09 is: 26,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.13 : 41,958.39 = 19,074.09 : x
  2. Step 2: Convert to fraction form
    30,404.13/41,958.39 = 19,074.09/x
  3. Step 3: Cross multiply
    30,404.13x = 41,958.39 × 19,074.09
  4. Step 4: Simplify right side
    30,404.13x = 800,318,107.12
  5. Step 5: Solve for x
    x = 800,318,107.12/30,404.13
  6. Step 6: Final answer
    x = 26,322.68

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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.