Home / 38,234.47-52,761.75-21,239.80

Finding the Fourth Proportional to 38,234.47, 52,761.75 and 21,239.80

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Solution

The fourth proportional to 38,234.47, 52,761.75 and 21,239.80 is: 29,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.47 : 52,761.75 = 21,239.80 : x
  2. Step 2: Convert to fraction form
    38,234.47/52,761.75 = 21,239.80/x
  3. Step 3: Cross multiply
    38,234.47x = 52,761.75 × 21,239.80
  4. Step 4: Simplify right side
    38,234.47x = 1,120,649,017.65
  5. Step 5: Solve for x
    x = 1,120,649,017.65/38,234.47
  6. Step 6: Final answer
    x = 29,309.91

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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.