Home / 40,640.13-60,972.21-17,268.39

Finding the Fourth Proportional to 40,640.13, 60,972.21 and 17,268.39

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Solution

The fourth proportional to 40,640.13, 60,972.21 and 17,268.39 is: 25,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.13 : 60,972.21 = 17,268.39 : x
  2. Step 2: Convert to fraction form
    40,640.13/60,972.21 = 17,268.39/x
  3. Step 3: Cross multiply
    40,640.13x = 60,972.21 × 17,268.39
  4. Step 4: Simplify right side
    40,640.13x = 1,052,891,901.44
  5. Step 5: Solve for x
    x = 1,052,891,901.44/40,640.13
  6. Step 6: Final answer
    x = 25,907.69

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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.