Home / 63,213.91-94,789.12-21,079.08

Finding the Fourth Proportional to 63,213.91, 94,789.12 and 21,079.08

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Solution

The fourth proportional to 63,213.91, 94,789.12 and 21,079.08 is: 31,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.91 : 94,789.12 = 21,079.08 : x
  2. Step 2: Convert to fraction form
    63,213.91/94,789.12 = 21,079.08/x
  3. Step 3: Cross multiply
    63,213.91x = 94,789.12 × 21,079.08
  4. Step 4: Simplify right side
    63,213.91x = 1,998,067,443.61
  5. Step 5: Solve for x
    x = 1,998,067,443.61/63,213.91
  6. Step 6: Final answer
    x = 31,608.03

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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.