Home / 38,234.43-52,761.63-21,239.75

Finding the Fourth Proportional to 38,234.43, 52,761.63 and 21,239.75

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Solution

The fourth proportional to 38,234.43, 52,761.63 and 21,239.75 is: 29,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.43 : 52,761.63 = 21,239.75 : x
  2. Step 2: Convert to fraction form
    38,234.43/52,761.63 = 21,239.75/x
  3. Step 3: Cross multiply
    38,234.43x = 52,761.63 × 21,239.75
  4. Step 4: Simplify right side
    38,234.43x = 1,120,643,566.98
  5. Step 5: Solve for x
    x = 1,120,643,566.98/38,234.43
  6. Step 6: Final answer
    x = 29,309.80

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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.