Home / 69,301.22-103,958.37-19,381.32

Finding the Fourth Proportional to 69,301.22, 103,958.37 and 19,381.32

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Solution

The fourth proportional to 69,301.22, 103,958.37 and 19,381.32 is: 29,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,301.22 : 103,958.37 = 19,381.32 : x
  2. Step 2: Convert to fraction form
    69,301.22/103,958.37 = 19,381.32/x
  3. Step 3: Cross multiply
    69,301.22x = 103,958.37 × 19,381.32
  4. Step 4: Simplify right side
    69,301.22x = 2,014,850,435.65
  5. Step 5: Solve for x
    x = 2,014,850,435.65/69,301.22
  6. Step 6: Final answer
    x = 29,073.81

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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.