Home / 34,744.56-47,930.40-21,311.52

Finding the Fourth Proportional to 34,744.56, 47,930.40 and 21,311.52

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Solution

The fourth proportional to 34,744.56, 47,930.40 and 21,311.52 is: 29,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,744.56 : 47,930.40 = 21,311.52 : x
  2. Step 2: Convert to fraction form
    34,744.56/47,930.40 = 21,311.52/x
  3. Step 3: Cross multiply
    34,744.56x = 47,930.40 × 21,311.52
  4. Step 4: Simplify right side
    34,744.56x = 1,021,469,678.21
  5. Step 5: Solve for x
    x = 1,021,469,678.21/34,744.56
  6. Step 6: Final answer
    x = 29,399.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.