Home / 68,979.88-103,466.94-19,731.88

Finding the Fourth Proportional to 68,979.88, 103,466.94 and 19,731.88

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Solution

The fourth proportional to 68,979.88, 103,466.94 and 19,731.88 is: 29,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.88 : 103,466.94 = 19,731.88 : x
  2. Step 2: Convert to fraction form
    68,979.88/103,466.94 = 19,731.88/x
  3. Step 3: Cross multiply
    68,979.88x = 103,466.94 × 19,731.88
  4. Step 4: Simplify right side
    68,979.88x = 2,041,597,244.05
  5. Step 5: Solve for x
    x = 2,041,597,244.05/68,979.88
  6. Step 6: Final answer
    x = 29,597.00

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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.