Home / 32,845.64-49,305.38-13,138.07

Finding the Fourth Proportional to 32,845.64, 49,305.38 and 13,138.07

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Solution

The fourth proportional to 32,845.64, 49,305.38 and 13,138.07 is: 19,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,845.64 : 49,305.38 = 13,138.07 : x
  2. Step 2: Convert to fraction form
    32,845.64/49,305.38 = 13,138.07/x
  3. Step 3: Cross multiply
    32,845.64x = 49,305.38 × 13,138.07
  4. Step 4: Simplify right side
    32,845.64x = 647,777,221.60
  5. Step 5: Solve for x
    x = 647,777,221.60/32,845.64
  6. Step 6: Final answer
    x = 19,721.87

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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.