Home / 30,246.67-41,740.44-16,817.78

Finding the Fourth Proportional to 30,246.67, 41,740.44 and 16,817.78

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Solution

The fourth proportional to 30,246.67, 41,740.44 and 16,817.78 is: 23,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.67 : 41,740.44 = 16,817.78 : x
  2. Step 2: Convert to fraction form
    30,246.67/41,740.44 = 16,817.78/x
  3. Step 3: Cross multiply
    30,246.67x = 41,740.44 × 16,817.78
  4. Step 4: Simplify right side
    30,246.67x = 701,981,537.02
  5. Step 5: Solve for x
    x = 701,981,537.02/30,246.67
  6. Step 6: Final answer
    x = 23,208.56

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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.