Home / 31,679.18-47,517.72-15,051.14

Finding the Fourth Proportional to 31,679.18, 47,517.72 and 15,051.14

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Solution

The fourth proportional to 31,679.18, 47,517.72 and 15,051.14 is: 22,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.18 : 47,517.72 = 15,051.14 : x
  2. Step 2: Convert to fraction form
    31,679.18/47,517.72 = 15,051.14/x
  3. Step 3: Cross multiply
    31,679.18x = 47,517.72 × 15,051.14
  4. Step 4: Simplify right side
    31,679.18x = 715,195,856.20
  5. Step 5: Solve for x
    x = 715,195,856.20/31,679.18
  6. Step 6: Final answer
    x = 22,576.21

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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.