Home / 31,993.58-47,996.04-15,383.72

Finding the Fourth Proportional to 31,993.58, 47,996.04 and 15,383.72

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Solution

The fourth proportional to 31,993.58, 47,996.04 and 15,383.72 is: 23,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993.58 : 47,996.04 = 15,383.72 : x
  2. Step 2: Convert to fraction form
    31,993.58/47,996.04 = 15,383.72/x
  3. Step 3: Cross multiply
    31,993.58x = 47,996.04 × 15,383.72
  4. Step 4: Simplify right side
    31,993.58x = 738,357,640.47
  5. Step 5: Solve for x
    x = 738,357,640.47/31,993.58
  6. Step 6: Final answer
    x = 23,078.31

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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.