Home / 49,919.37-74,857.19-18,732.75

Finding the Fourth Proportional to 49,919.37, 74,857.19 and 18,732.75

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Solution

The fourth proportional to 49,919.37, 74,857.19 and 18,732.75 is: 28,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.37 : 74,857.19 = 18,732.75 : x
  2. Step 2: Convert to fraction form
    49,919.37/74,857.19 = 18,732.75/x
  3. Step 3: Cross multiply
    49,919.37x = 74,857.19 × 18,732.75
  4. Step 4: Simplify right side
    49,919.37x = 1,402,280,932.31
  5. Step 5: Solve for x
    x = 1,402,280,932.31/49,919.37
  6. Step 6: Final answer
    x = 28,090.92

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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.