Home / 31,333.44-47,012.46-13,790.97

Finding the Fourth Proportional to 31,333.44, 47,012.46 and 13,790.97

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Solution

The fourth proportional to 31,333.44, 47,012.46 and 13,790.97 is: 20,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.44 : 47,012.46 = 13,790.97 : x
  2. Step 2: Convert to fraction form
    31,333.44/47,012.46 = 13,790.97/x
  3. Step 3: Cross multiply
    31,333.44x = 47,012.46 × 13,790.97
  4. Step 4: Simplify right side
    31,333.44x = 648,347,425.49
  5. Step 5: Solve for x
    x = 648,347,425.49/31,333.44
  6. Step 6: Final answer
    x = 20,691.87

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1.5x scale

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.