Home / 30,241.76-41,732.80-16,812.96

Finding the Fourth Proportional to 30,241.76, 41,732.80 and 16,812.96

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Solution

The fourth proportional to 30,241.76, 41,732.80 and 16,812.96 is: 23,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.76 : 41,732.80 = 16,812.96 : x
  2. Step 2: Convert to fraction form
    30,241.76/41,732.80 = 16,812.96/x
  3. Step 3: Cross multiply
    30,241.76x = 41,732.80 × 16,812.96
  4. Step 4: Simplify right side
    30,241.76x = 701,651,897.09
  5. Step 5: Solve for x
    x = 701,651,897.09/30,241.76
  6. Step 6: Final answer
    x = 23,201.42

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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.