Home / 30,400.52-41,967.99-19,086.44

Finding the Fourth Proportional to 30,400.52, 41,967.99 and 19,086.44

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Solution

The fourth proportional to 30,400.52, 41,967.99 and 19,086.44 is: 26,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.52 : 41,967.99 = 19,086.44 : x
  2. Step 2: Convert to fraction form
    30,400.52/41,967.99 = 19,086.44/x
  3. Step 3: Cross multiply
    30,400.52x = 41,967.99 × 19,086.44
  4. Step 4: Simplify right side
    30,400.52x = 801,019,313.22
  5. Step 5: Solve for x
    x = 801,019,313.22/30,400.52
  6. Step 6: Final answer
    x = 26,348.87

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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.