Home / 30,580.50-42,201.17-17,842.44

Finding the Fourth Proportional to 30,580.50, 42,201.17 and 17,842.44

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Solution

The fourth proportional to 30,580.50, 42,201.17 and 17,842.44 is: 24,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580.50 : 42,201.17 = 17,842.44 : x
  2. Step 2: Convert to fraction form
    30,580.50/42,201.17 = 17,842.44/x
  3. Step 3: Cross multiply
    30,580.50x = 42,201.17 × 17,842.44
  4. Step 4: Simplify right side
    30,580.50x = 752,971,754.44
  5. Step 5: Solve for x
    x = 752,971,754.44/30,580.50
  6. Step 6: Final answer
    x = 24,622.61

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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.