Home / 38,234.69-52,761.97-21,240.01

Finding the Fourth Proportional to 38,234.69, 52,761.97 and 21,240.01

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Solution

The fourth proportional to 38,234.69, 52,761.97 and 21,240.01 is: 29,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.69 : 52,761.97 = 21,240.01 : x
  2. Step 2: Convert to fraction form
    38,234.69/52,761.97 = 21,240.01/x
  3. Step 3: Cross multiply
    38,234.69x = 52,761.97 × 21,240.01
  4. Step 4: Simplify right side
    38,234.69x = 1,120,664,770.42
  5. Step 5: Solve for x
    x = 1,120,664,770.42/38,234.69
  6. Step 6: Final answer
    x = 29,310.16

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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.