Home / 68,979.22-103,452.41-19,058.22

Finding the Fourth Proportional to 68,979.22, 103,452.41 and 19,058.22

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Solution

The fourth proportional to 68,979.22, 103,452.41 and 19,058.22 is: 28,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.22 : 103,452.41 = 19,058.22 : x
  2. Step 2: Convert to fraction form
    68,979.22/103,452.41 = 19,058.22/x
  3. Step 3: Cross multiply
    68,979.22x = 103,452.41 × 19,058.22
  4. Step 4: Simplify right side
    68,979.22x = 1,971,618,836.96
  5. Step 5: Solve for x
    x = 1,971,618,836.96/68,979.22
  6. Step 6: Final answer
    x = 28,582.80

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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.