Home / 68,570.52-102,867.30-21,837.72

Finding the Fourth Proportional to 68,570.52, 102,867.30 and 21,837.72

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Solution

The fourth proportional to 68,570.52, 102,867.30 and 21,837.72 is: 32,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570.52 : 102,867.30 = 21,837.72 : x
  2. Step 2: Convert to fraction form
    68,570.52/102,867.30 = 21,837.72/x
  3. Step 3: Cross multiply
    68,570.52x = 102,867.30 × 21,837.72
  4. Step 4: Simplify right side
    68,570.52x = 2,246,387,294.56
  5. Step 5: Solve for x
    x = 2,246,387,294.56/68,570.52
  6. Step 6: Final answer
    x = 32,760.25

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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.