Home / 49,924.19-74,842.53-18,781.31

Finding the Fourth Proportional to 49,924.19, 74,842.53 and 18,781.31

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Solution

The fourth proportional to 49,924.19, 74,842.53 and 18,781.31 is: 28,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,924.19 : 74,842.53 = 18,781.31 : x
  2. Step 2: Convert to fraction form
    49,924.19/74,842.53 = 18,781.31/x
  3. Step 3: Cross multiply
    49,924.19x = 74,842.53 × 18,781.31
  4. Step 4: Simplify right side
    49,924.19x = 1,405,640,757.11
  5. Step 5: Solve for x
    x = 1,405,640,757.11/49,924.19
  6. Step 6: Final answer
    x = 28,155.50

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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.