Home / 31,743.80-47,620.06-10,685.48

Finding the Fourth Proportional to 31,743.80, 47,620.06 and 10,685.48

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Solution

The fourth proportional to 31,743.80, 47,620.06 and 10,685.48 is: 16,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.80 : 47,620.06 = 10,685.48 : x
  2. Step 2: Convert to fraction form
    31,743.80/47,620.06 = 10,685.48/x
  3. Step 3: Cross multiply
    31,743.80x = 47,620.06 × 10,685.48
  4. Step 4: Simplify right side
    31,743.80x = 508,843,198.73
  5. Step 5: Solve for x
    x = 508,843,198.73/31,743.80
  6. Step 6: Final answer
    x = 16,029.69

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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.