Home / 31,921.25-47,911.37-16,137.36

Finding the Fourth Proportional to 31,921.25, 47,911.37 and 16,137.36

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Solution

The fourth proportional to 31,921.25, 47,911.37 and 16,137.36 is: 24,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.25 : 47,911.37 = 16,137.36 : x
  2. Step 2: Convert to fraction form
    31,921.25/47,911.37 = 16,137.36/x
  3. Step 3: Cross multiply
    31,921.25x = 47,911.37 × 16,137.36
  4. Step 4: Simplify right side
    31,921.25x = 773,162,945.10
  5. Step 5: Solve for x
    x = 773,162,945.10/31,921.25
  6. Step 6: Final answer
    x = 24,220.95

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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.