Home / 31,255.39-43,139.96-17,834.50

Finding the Fourth Proportional to 31,255.39, 43,139.96 and 17,834.50

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Solution

The fourth proportional to 31,255.39, 43,139.96 and 17,834.50 is: 24,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.39 : 43,139.96 = 17,834.50 : x
  2. Step 2: Convert to fraction form
    31,255.39/43,139.96 = 17,834.50/x
  3. Step 3: Cross multiply
    31,255.39x = 43,139.96 × 17,834.50
  4. Step 4: Simplify right side
    31,255.39x = 769,379,616.62
  5. Step 5: Solve for x
    x = 769,379,616.62/31,255.39
  6. Step 6: Final answer
    x = 24,615.90

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