Home / 34,202.31-47,199.96-21,456.03

Finding the Fourth Proportional to 34,202.31, 47,199.96 and 21,456.03

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Solution

The fourth proportional to 34,202.31, 47,199.96 and 21,456.03 is: 29,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,202.31 : 47,199.96 = 21,456.03 : x
  2. Step 2: Convert to fraction form
    34,202.31/47,199.96 = 21,456.03/x
  3. Step 3: Cross multiply
    34,202.31x = 47,199.96 × 21,456.03
  4. Step 4: Simplify right side
    34,202.31x = 1,012,723,757.76
  5. Step 5: Solve for x
    x = 1,012,723,757.76/34,202.31
  6. Step 6: Final answer
    x = 29,609.81

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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.