Home / 49,785.68-74,655-18,173.80

Finding the Fourth Proportional to 49,785.68, 74,655 and 18,173.80

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Solution

The fourth proportional to 49,785.68, 74,655 and 18,173.80 is: 27,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.68 : 74,655 = 18,173.80 : x
  2. Step 2: Convert to fraction form
    49,785.68/74,655 = 18,173.80/x
  3. Step 3: Cross multiply
    49,785.68x = 74,655 × 18,173.80
  4. Step 4: Simplify right side
    49,785.68x = 1,356,765,039
  5. Step 5: Solve for x
    x = 1,356,765,039/49,785.68
  6. Step 6: Final answer
    x = 27,252.11

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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.