Home / 33,140.43-49,731.66-12,078.41

Finding the Fourth Proportional to 33,140.43, 49,731.66 and 12,078.41

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Solution

The fourth proportional to 33,140.43, 49,731.66 and 12,078.41 is: 18,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.43 : 49,731.66 = 12,078.41 : x
  2. Step 2: Convert to fraction form
    33,140.43/49,731.66 = 12,078.41/x
  3. Step 3: Cross multiply
    33,140.43x = 49,731.66 × 12,078.41
  4. Step 4: Simplify right side
    33,140.43x = 600,679,130.80
  5. Step 5: Solve for x
    x = 600,679,130.80/33,140.43
  6. Step 6: Final answer
    x = 18,125.27

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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.