Home / 69,231.06-103,837.37-19,306.98

Finding the Fourth Proportional to 69,231.06, 103,837.37 and 19,306.98

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Solution

The fourth proportional to 69,231.06, 103,837.37 and 19,306.98 is: 28,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,231.06 : 103,837.37 = 19,306.98 : x
  2. Step 2: Convert to fraction form
    69,231.06/103,837.37 = 19,306.98/x
  3. Step 3: Cross multiply
    69,231.06x = 103,837.37 × 19,306.98
  4. Step 4: Simplify right side
    69,231.06x = 2,004,786,010.76
  5. Step 5: Solve for x
    x = 2,004,786,010.76/69,231.06
  6. Step 6: Final answer
    x = 28,957.90

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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.