Home / 31,743.60-47,615.87-12,016.86

Finding the Fourth Proportional to 31,743.60, 47,615.87 and 12,016.86

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Solution

The fourth proportional to 31,743.60, 47,615.87 and 12,016.86 is: 18,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.60 : 47,615.87 = 12,016.86 : x
  2. Step 2: Convert to fraction form
    31,743.60/47,615.87 = 12,016.86/x
  3. Step 3: Cross multiply
    31,743.60x = 47,615.87 × 12,016.86
  4. Step 4: Simplify right side
    31,743.60x = 572,193,243.57
  5. Step 5: Solve for x
    x = 572,193,243.57/31,743.60
  6. Step 6: Final answer
    x = 18,025.47

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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.