Home / 31,367.03-47,052.72-12,647.24

Finding the Fourth Proportional to 31,367.03, 47,052.72 and 12,647.24

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Solution

The fourth proportional to 31,367.03, 47,052.72 and 12,647.24 is: 18,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.03 : 47,052.72 = 12,647.24 : x
  2. Step 2: Convert to fraction form
    31,367.03/47,052.72 = 12,647.24/x
  3. Step 3: Cross multiply
    31,367.03x = 47,052.72 × 12,647.24
  4. Step 4: Simplify right side
    31,367.03x = 595,086,743.99
  5. Step 5: Solve for x
    x = 595,086,743.99/31,367.03
  6. Step 6: Final answer
    x = 18,971.73

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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.