Home / 31,694.58-47,542.26-8,323.38

Finding the Fourth Proportional to 31,694.58, 47,542.26 and 8,323.38

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Solution

The fourth proportional to 31,694.58, 47,542.26 and 8,323.38 is: 12,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.58 : 47,542.26 = 8,323.38 : x
  2. Step 2: Convert to fraction form
    31,694.58/47,542.26 = 8,323.38/x
  3. Step 3: Cross multiply
    31,694.58x = 47,542.26 × 8,323.38
  4. Step 4: Simplify right side
    31,694.58x = 395,712,296.04
  5. Step 5: Solve for x
    x = 395,712,296.04/31,694.58
  6. Step 6: Final answer
    x = 12,485.17

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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.