Home / 31,983.82-47,964.21-13,517.26

Finding the Fourth Proportional to 31,983.82, 47,964.21 and 13,517.26

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Solution

The fourth proportional to 31,983.82, 47,964.21 and 13,517.26 is: 20,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.82 : 47,964.21 = 13,517.26 : x
  2. Step 2: Convert to fraction form
    31,983.82/47,964.21 = 13,517.26/x
  3. Step 3: Cross multiply
    31,983.82x = 47,964.21 × 13,517.26
  4. Step 4: Simplify right side
    31,983.82x = 648,344,697.26
  5. Step 5: Solve for x
    x = 648,344,697.26/31,983.82
  6. Step 6: Final answer
    x = 20,271.02

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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.