Home / 47,834.33-71,752.37-20,813.94

Finding the Fourth Proportional to 47,834.33, 71,752.37 and 20,813.94

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Solution

The fourth proportional to 47,834.33, 71,752.37 and 20,813.94 is: 31,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,834.33 : 71,752.37 = 20,813.94 : x
  2. Step 2: Convert to fraction form
    47,834.33/71,752.37 = 20,813.94/x
  3. Step 3: Cross multiply
    47,834.33x = 71,752.37 × 20,813.94
  4. Step 4: Simplify right side
    47,834.33x = 1,493,449,419.97
  5. Step 5: Solve for x
    x = 1,493,449,419.97/47,834.33
  6. Step 6: Final answer
    x = 31,221.29

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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.