Home / 37,015.38-51,078.20-21,096.86

Finding the Fourth Proportional to 37,015.38, 51,078.20 and 21,096.86

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Solution

The fourth proportional to 37,015.38, 51,078.20 and 21,096.86 is: 29,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,015.38 : 51,078.20 = 21,096.86 : x
  2. Step 2: Convert to fraction form
    37,015.38/51,078.20 = 21,096.86/x
  3. Step 3: Cross multiply
    37,015.38x = 51,078.20 × 21,096.86
  4. Step 4: Simplify right side
    37,015.38x = 1,077,589,273.58
  5. Step 5: Solve for x
    x = 1,077,589,273.58/37,015.38
  6. Step 6: Final answer
    x = 29,111.93

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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.