Home / 39,131.44-58,704.46-12,843.70

Finding the Fourth Proportional to 39,131.44, 58,704.46 and 12,843.70

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Solution

The fourth proportional to 39,131.44, 58,704.46 and 12,843.70 is: 19,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.44 : 58,704.46 = 12,843.70 : x
  2. Step 2: Convert to fraction form
    39,131.44/58,704.46 = 12,843.70/x
  3. Step 3: Cross multiply
    39,131.44x = 58,704.46 × 12,843.70
  4. Step 4: Simplify right side
    39,131.44x = 753,982,472.90
  5. Step 5: Solve for x
    x = 753,982,472.90/39,131.44
  6. Step 6: Final answer
    x = 19,267.95

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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.