Home / 53,229.24-79,800.06-21,211.56

Finding the Fourth Proportional to 53,229.24, 79,800.06 and 21,211.56

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Solution

The fourth proportional to 53,229.24, 79,800.06 and 21,211.56 is: 31,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.24 : 79,800.06 = 21,211.56 : x
  2. Step 2: Convert to fraction form
    53,229.24/79,800.06 = 21,211.56/x
  3. Step 3: Cross multiply
    53,229.24x = 79,800.06 × 21,211.56
  4. Step 4: Simplify right side
    53,229.24x = 1,692,683,760.69
  5. Step 5: Solve for x
    x = 1,692,683,760.69/53,229.24
  6. Step 6: Final answer
    x = 31,799.89

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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.