Home / 31,731.08-43,788.75-17,583.89

Finding the Fourth Proportional to 31,731.08, 43,788.75 and 17,583.89

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Solution

The fourth proportional to 31,731.08, 43,788.75 and 17,583.89 is: 24,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.08 : 43,788.75 = 17,583.89 : x
  2. Step 2: Convert to fraction form
    31,731.08/43,788.75 = 17,583.89/x
  3. Step 3: Cross multiply
    31,731.08x = 43,788.75 × 17,583.89
  4. Step 4: Simplify right side
    31,731.08x = 769,976,563.24
  5. Step 5: Solve for x
    x = 769,976,563.24/31,731.08
  6. Step 6: Final answer
    x = 24,265.69

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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.