Home / 30,105.52-41,523.24-19,486.96

Finding the Fourth Proportional to 30,105.52, 41,523.24 and 19,486.96

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Solution

The fourth proportional to 30,105.52, 41,523.24 and 19,486.96 is: 26,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.52 : 41,523.24 = 19,486.96 : x
  2. Step 2: Convert to fraction form
    30,105.52/41,523.24 = 19,486.96/x
  3. Step 3: Cross multiply
    30,105.52x = 41,523.24 × 19,486.96
  4. Step 4: Simplify right side
    30,105.52x = 809,161,716.95
  5. Step 5: Solve for x
    x = 809,161,716.95/30,105.52
  6. Step 6: Final answer
    x = 26,877.52

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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.