Home / 37,122.55-55,694.18-12,180.14

Finding the Fourth Proportional to 37,122.55, 55,694.18 and 12,180.14

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Solution

The fourth proportional to 37,122.55, 55,694.18 and 12,180.14 is: 18,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.55 : 55,694.18 = 12,180.14 : x
  2. Step 2: Convert to fraction form
    37,122.55/55,694.18 = 12,180.14/x
  3. Step 3: Cross multiply
    37,122.55x = 55,694.18 × 12,180.14
  4. Step 4: Simplify right side
    37,122.55x = 678,362,661.56
  5. Step 5: Solve for x
    x = 678,362,661.56/37,122.55
  6. Step 6: Final answer
    x = 18,273.60

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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.