Home / 69,589.69-96,033.78-39,374.36

Finding the Fourth Proportional to 69,589.69, 96,033.78 and 39,374.36

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Solution

The fourth proportional to 69,589.69, 96,033.78 and 39,374.36 is: 54,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,589.69 : 96,033.78 = 39,374.36 : x
  2. Step 2: Convert to fraction form
    69,589.69/96,033.78 = 39,374.36/x
  3. Step 3: Cross multiply
    69,589.69x = 96,033.78 × 39,374.36
  4. Step 4: Simplify right side
    69,589.69x = 3,781,268,625.88
  5. Step 5: Solve for x
    x = 3,781,268,625.88/69,589.69
  6. Step 6: Final answer
    x = 54,336.63

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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.