Home / 30,170.25-41,635.67-16,922.25

Finding the Fourth Proportional to 30,170.25, 41,635.67 and 16,922.25

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Solution

The fourth proportional to 30,170.25, 41,635.67 and 16,922.25 is: 23,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.25 : 41,635.67 = 16,922.25 : x
  2. Step 2: Convert to fraction form
    30,170.25/41,635.67 = 16,922.25/x
  3. Step 3: Cross multiply
    30,170.25x = 41,635.67 × 16,922.25
  4. Step 4: Simplify right side
    30,170.25x = 704,569,132.05
  5. Step 5: Solve for x
    x = 704,569,132.05/30,170.25
  6. Step 6: Final answer
    x = 23,353.11

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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.