Home / 31,936.08-47,911.54-10,876.31

Finding the Fourth Proportional to 31,936.08, 47,911.54 and 10,876.31

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Solution

The fourth proportional to 31,936.08, 47,911.54 and 10,876.31 is: 16,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.08 : 47,911.54 = 10,876.31 : x
  2. Step 2: Convert to fraction form
    31,936.08/47,911.54 = 10,876.31/x
  3. Step 3: Cross multiply
    31,936.08x = 47,911.54 × 10,876.31
  4. Step 4: Simplify right side
    31,936.08x = 521,100,562.85
  5. Step 5: Solve for x
    x = 521,100,562.85/31,936.08
  6. Step 6: Final answer
    x = 16,316.98

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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.