Home / 31,558-43,550.30-17,411.36

Finding the Fourth Proportional to 31,558, 43,550.30 and 17,411.36

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Solution

The fourth proportional to 31,558, 43,550.30 and 17,411.36 is: 24,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558 : 43,550.30 = 17,411.36 : x
  2. Step 2: Convert to fraction form
    31,558/43,550.30 = 17,411.36/x
  3. Step 3: Cross multiply
    31,558x = 43,550.30 × 17,411.36
  4. Step 4: Simplify right side
    31,558x = 758,269,951.41
  5. Step 5: Solve for x
    x = 758,269,951.41/31,558
  6. Step 6: Final answer
    x = 24,027.82

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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.