Home / 31,442.88-43,392.60-17,296.50

Finding the Fourth Proportional to 31,442.88, 43,392.60 and 17,296.50

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Solution

The fourth proportional to 31,442.88, 43,392.60 and 17,296.50 is: 23,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.88 : 43,392.60 = 17,296.50 : x
  2. Step 2: Convert to fraction form
    31,442.88/43,392.60 = 17,296.50/x
  3. Step 3: Cross multiply
    31,442.88x = 43,392.60 × 17,296.50
  4. Step 4: Simplify right side
    31,442.88x = 750,540,105.90
  5. Step 5: Solve for x
    x = 750,540,105.90/31,442.88
  6. Step 6: Final answer
    x = 23,869.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.