Home / 37,177.88-55,775.60-12,218

Finding the Fourth Proportional to 37,177.88, 55,775.60 and 12,218

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Solution

The fourth proportional to 37,177.88, 55,775.60 and 12,218 is: 18,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,177.88 : 55,775.60 = 12,218 : x
  2. Step 2: Convert to fraction form
    37,177.88/55,775.60 = 12,218/x
  3. Step 3: Cross multiply
    37,177.88x = 55,775.60 × 12,218
  4. Step 4: Simplify right side
    37,177.88x = 681,466,280.80
  5. Step 5: Solve for x
    x = 681,466,280.80/37,177.88
  6. Step 6: Final answer
    x = 18,329.89

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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.