Home / 30,351.68-41,883.18-16,922.36

Finding the Fourth Proportional to 30,351.68, 41,883.18 and 16,922.36

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Solution

The fourth proportional to 30,351.68, 41,883.18 and 16,922.36 is: 23,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.68 : 41,883.18 = 16,922.36 : x
  2. Step 2: Convert to fraction form
    30,351.68/41,883.18 = 16,922.36/x
  3. Step 3: Cross multiply
    30,351.68x = 41,883.18 × 16,922.36
  4. Step 4: Simplify right side
    30,351.68x = 708,762,249.90
  5. Step 5: Solve for x
    x = 708,762,249.90/30,351.68
  6. Step 6: Final answer
    x = 23,351.66

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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.