Home / 41,422-62,134.44-13,719.28

Finding the Fourth Proportional to 41,422, 62,134.44 and 13,719.28

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Solution

The fourth proportional to 41,422, 62,134.44 and 13,719.28 is: 20,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,422 : 62,134.44 = 13,719.28 : x
  2. Step 2: Convert to fraction form
    41,422/62,134.44 = 13,719.28/x
  3. Step 3: Cross multiply
    41,422x = 62,134.44 × 13,719.28
  4. Step 4: Simplify right side
    41,422x = 852,439,780.00
  5. Step 5: Solve for x
    x = 852,439,780.00/41,422
  6. Step 6: Final answer
    x = 20,579.40

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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.