Home / 37,179.20-51,307.08-20,183.78

Finding the Fourth Proportional to 37,179.20, 51,307.08 and 20,183.78

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Solution

The fourth proportional to 37,179.20, 51,307.08 and 20,183.78 is: 27,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,179.20 : 51,307.08 = 20,183.78 : x
  2. Step 2: Convert to fraction form
    37,179.20/51,307.08 = 20,183.78/x
  3. Step 3: Cross multiply
    37,179.20x = 51,307.08 × 20,183.78
  4. Step 4: Simplify right side
    37,179.20x = 1,035,570,815.16
  5. Step 5: Solve for x
    x = 1,035,570,815.16/37,179.20
  6. Step 6: Final answer
    x = 27,853.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.