Home / 54,344.26-81,640.62-38,588.14

Finding the Fourth Proportional to 54,344.26, 81,640.62 and 38,588.14

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Solution

The fourth proportional to 54,344.26, 81,640.62 and 38,588.14 is: 57,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344.26 : 81,640.62 = 38,588.14 : x
  2. Step 2: Convert to fraction form
    54,344.26/81,640.62 = 38,588.14/x
  3. Step 3: Cross multiply
    54,344.26x = 81,640.62 × 38,588.14
  4. Step 4: Simplify right side
    54,344.26x = 3,150,359,470.15
  5. Step 5: Solve for x
    x = 3,150,359,470.15/54,344.26
  6. Step 6: Final answer
    x = 57,970.42

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1.5x scale

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.