Home / 38,180.22-57,270.32-11,887.62

Finding the Fourth Proportional to 38,180.22, 57,270.32 and 11,887.62

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Solution

The fourth proportional to 38,180.22, 57,270.32 and 11,887.62 is: 17,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.22 : 57,270.32 = 11,887.62 : x
  2. Step 2: Convert to fraction form
    38,180.22/57,270.32 = 11,887.62/x
  3. Step 3: Cross multiply
    38,180.22x = 57,270.32 × 11,887.62
  4. Step 4: Simplify right side
    38,180.22x = 680,807,801.44
  5. Step 5: Solve for x
    x = 680,807,801.44/38,180.22
  6. Step 6: Final answer
    x = 17,831.43

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Similar ratio
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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.