Home / 49,755.25-74,665.68-18,590.50

Finding the Fourth Proportional to 49,755.25, 74,665.68 and 18,590.50

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Solution

The fourth proportional to 49,755.25, 74,665.68 and 18,590.50 is: 27,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,755.25 : 74,665.68 = 18,590.50 : x
  2. Step 2: Convert to fraction form
    49,755.25/74,665.68 = 18,590.50/x
  3. Step 3: Cross multiply
    49,755.25x = 74,665.68 × 18,590.50
  4. Step 4: Simplify right side
    49,755.25x = 1,388,072,324.04
  5. Step 5: Solve for x
    x = 1,388,072,324.04/49,755.25
  6. Step 6: Final answer
    x = 27,898.01

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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.