Home / 31,336.20-47,004.30-29,149.20

Finding the Fourth Proportional to 31,336.20, 47,004.30 and 29,149.20

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Solution

The fourth proportional to 31,336.20, 47,004.30 and 29,149.20 is: 43,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.20 : 47,004.30 = 29,149.20 : x
  2. Step 2: Convert to fraction form
    31,336.20/47,004.30 = 29,149.20/x
  3. Step 3: Cross multiply
    31,336.20x = 47,004.30 × 29,149.20
  4. Step 4: Simplify right side
    31,336.20x = 1,370,137,741.56
  5. Step 5: Solve for x
    x = 1,370,137,741.56/31,336.20
  6. Step 6: Final answer
    x = 43,723.80

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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.