Home / 30,203.33-41,678.82-16,773.80

Finding the Fourth Proportional to 30,203.33, 41,678.82 and 16,773.80

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Solution

The fourth proportional to 30,203.33, 41,678.82 and 16,773.80 is: 23,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.33 : 41,678.82 = 16,773.80 : x
  2. Step 2: Convert to fraction form
    30,203.33/41,678.82 = 16,773.80/x
  3. Step 3: Cross multiply
    30,203.33x = 41,678.82 × 16,773.80
  4. Step 4: Simplify right side
    30,203.33x = 699,111,982.52
  5. Step 5: Solve for x
    x = 699,111,982.52/30,203.33
  6. Step 6: Final answer
    x = 23,146.85

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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.