Home / 49,979.02-74,892.89-21,883.36

Finding the Fourth Proportional to 49,979.02, 74,892.89 and 21,883.36

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Solution

The fourth proportional to 49,979.02, 74,892.89 and 21,883.36 is: 32,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.02 : 74,892.89 = 21,883.36 : x
  2. Step 2: Convert to fraction form
    49,979.02/74,892.89 = 21,883.36/x
  3. Step 3: Cross multiply
    49,979.02x = 74,892.89 × 21,883.36
  4. Step 4: Simplify right side
    49,979.02x = 1,638,907,589.43
  5. Step 5: Solve for x
    x = 1,638,907,589.43/49,979.02
  6. Step 6: Final answer
    x = 32,791.91

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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.