Home / 69,029.66-103,546.26-19,110.19

Finding the Fourth Proportional to 69,029.66, 103,546.26 and 19,110.19

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Solution

The fourth proportional to 69,029.66, 103,546.26 and 19,110.19 is: 28,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,029.66 : 103,546.26 = 19,110.19 : x
  2. Step 2: Convert to fraction form
    69,029.66/103,546.26 = 19,110.19/x
  3. Step 3: Cross multiply
    69,029.66x = 103,546.26 × 19,110.19
  4. Step 4: Simplify right side
    69,029.66x = 1,978,788,729.54
  5. Step 5: Solve for x
    x = 1,978,788,729.54/69,029.66
  6. Step 6: Final answer
    x = 28,665.77

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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.