Home / 38,234.08-52,761.25-21,239.43

Finding the Fourth Proportional to 38,234.08, 52,761.25 and 21,239.43

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Solution

The fourth proportional to 38,234.08, 52,761.25 and 21,239.43 is: 29,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.08 : 52,761.25 = 21,239.43 : x
  2. Step 2: Convert to fraction form
    38,234.08/52,761.25 = 21,239.43/x
  3. Step 3: Cross multiply
    38,234.08x = 52,761.25 × 21,239.43
  4. Step 4: Simplify right side
    38,234.08x = 1,120,618,876.09
  5. Step 5: Solve for x
    x = 1,120,618,876.09/38,234.08
  6. Step 6: Final answer
    x = 29,309.42

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1.5x scale

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.