Home / 30,107.78-41,546.96-16,493.12

Finding the Fourth Proportional to 30,107.78, 41,546.96 and 16,493.12

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Solution

The fourth proportional to 30,107.78, 41,546.96 and 16,493.12 is: 22,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.78 : 41,546.96 = 16,493.12 : x
  2. Step 2: Convert to fraction form
    30,107.78/41,546.96 = 16,493.12/x
  3. Step 3: Cross multiply
    30,107.78x = 41,546.96 × 16,493.12
  4. Step 4: Simplify right side
    30,107.78x = 685,238,993.95
  5. Step 5: Solve for x
    x = 685,238,993.95/30,107.78
  6. Step 6: Final answer
    x = 22,759.54

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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.