Home / 37,043.91-55,551.87-12,078.09

Finding the Fourth Proportional to 37,043.91, 55,551.87 and 12,078.09

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Solution

The fourth proportional to 37,043.91, 55,551.87 and 12,078.09 is: 18,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,043.91 : 55,551.87 = 12,078.09 : x
  2. Step 2: Convert to fraction form
    37,043.91/55,551.87 = 12,078.09/x
  3. Step 3: Cross multiply
    37,043.91x = 55,551.87 × 12,078.09
  4. Step 4: Simplify right side
    37,043.91x = 670,960,485.53
  5. Step 5: Solve for x
    x = 670,960,485.53/37,043.91
  6. Step 6: Final answer
    x = 18,112.57

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1.5x scale

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.