Home / 37,130.94-55,697.76-12,171.60

Finding the Fourth Proportional to 37,130.94, 55,697.76 and 12,171.60

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Solution

The fourth proportional to 37,130.94, 55,697.76 and 12,171.60 is: 18,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.94 : 55,697.76 = 12,171.60 : x
  2. Step 2: Convert to fraction form
    37,130.94/55,697.76 = 12,171.60/x
  3. Step 3: Cross multiply
    37,130.94x = 55,697.76 × 12,171.60
  4. Step 4: Simplify right side
    37,130.94x = 677,930,855.62
  5. Step 5: Solve for x
    x = 677,930,855.62/37,130.94
  6. Step 6: Final answer
    x = 18,257.84

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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.