Home / 30,100.16-41,524.43-19,493.21

Finding the Fourth Proportional to 30,100.16, 41,524.43 and 19,493.21

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Solution

The fourth proportional to 30,100.16, 41,524.43 and 19,493.21 is: 26,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.16 : 41,524.43 = 19,493.21 : x
  2. Step 2: Convert to fraction form
    30,100.16/41,524.43 = 19,493.21/x
  3. Step 3: Cross multiply
    30,100.16x = 41,524.43 × 19,493.21
  4. Step 4: Simplify right side
    30,100.16x = 809,444,129.03
  5. Step 5: Solve for x
    x = 809,444,129.03/30,100.16
  6. Step 6: Final answer
    x = 26,891.69

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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.