Home / 44,743.68-67,128.84-18,450

Finding the Fourth Proportional to 44,743.68, 67,128.84 and 18,450

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Solution

The fourth proportional to 44,743.68, 67,128.84 and 18,450 is: 27,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,743.68 : 67,128.84 = 18,450 : x
  2. Step 2: Convert to fraction form
    44,743.68/67,128.84 = 18,450/x
  3. Step 3: Cross multiply
    44,743.68x = 67,128.84 × 18,450
  4. Step 4: Simplify right side
    44,743.68x = 1,238,527,098
  5. Step 5: Solve for x
    x = 1,238,527,098/44,743.68
  6. Step 6: Final answer
    x = 27,680.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.