Home / 30,199.66-41,675.42-16,770.58

Finding the Fourth Proportional to 30,199.66, 41,675.42 and 16,770.58

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Solution

The fourth proportional to 30,199.66, 41,675.42 and 16,770.58 is: 23,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.66 : 41,675.42 = 16,770.58 : x
  2. Step 2: Convert to fraction form
    30,199.66/41,675.42 = 16,770.58/x
  3. Step 3: Cross multiply
    30,199.66x = 41,675.42 × 16,770.58
  4. Step 4: Simplify right side
    30,199.66x = 698,920,965.14
  5. Step 5: Solve for x
    x = 698,920,965.14/30,199.66
  6. Step 6: Final answer
    x = 23,143.34

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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.