Home / 38,188.26-57,282.36-21,540.74

Finding the Fourth Proportional to 38,188.26, 57,282.36 and 21,540.74

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Solution

The fourth proportional to 38,188.26, 57,282.36 and 21,540.74 is: 32,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188.26 : 57,282.36 = 21,540.74 : x
  2. Step 2: Convert to fraction form
    38,188.26/57,282.36 = 21,540.74/x
  3. Step 3: Cross multiply
    38,188.26x = 57,282.36 × 21,540.74
  4. Step 4: Simplify right side
    38,188.26x = 1,233,904,423.35
  5. Step 5: Solve for x
    x = 1,233,904,423.35/38,188.26
  6. Step 6: Final answer
    x = 32,311.09

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1.5x scale

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.