Home / 29,139.20-43,719.84-17,460.80

Finding the Fourth Proportional to 29,139.20, 43,719.84 and 17,460.80

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Solution

The fourth proportional to 29,139.20, 43,719.84 and 17,460.80 is: 26,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.20 : 43,719.84 = 17,460.80 : x
  2. Step 2: Convert to fraction form
    29,139.20/43,719.84 = 17,460.80/x
  3. Step 3: Cross multiply
    29,139.20x = 43,719.84 × 17,460.80
  4. Step 4: Simplify right side
    29,139.20x = 763,383,382.27
  5. Step 5: Solve for x
    x = 763,383,382.27/29,139.20
  6. Step 6: Final answer
    x = 26,197.82

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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.