Home / 34,839.03-48,078.38-19,731.31

Finding the Fourth Proportional to 34,839.03, 48,078.38 and 19,731.31

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Solution

The fourth proportional to 34,839.03, 48,078.38 and 19,731.31 is: 27,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.03 : 48,078.38 = 19,731.31 : x
  2. Step 2: Convert to fraction form
    34,839.03/48,078.38 = 19,731.31/x
  3. Step 3: Cross multiply
    34,839.03x = 48,078.38 × 19,731.31
  4. Step 4: Simplify right side
    34,839.03x = 948,649,420.08
  5. Step 5: Solve for x
    x = 948,649,420.08/34,839.03
  6. Step 6: Final answer
    x = 27,229.50

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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.