Home / 37,112.46-51,215.22-20,116.86

Finding the Fourth Proportional to 37,112.46, 51,215.22 and 20,116.86

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Solution

The fourth proportional to 37,112.46, 51,215.22 and 20,116.86 is: 27,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.46 : 51,215.22 = 20,116.86 : x
  2. Step 2: Convert to fraction form
    37,112.46/51,215.22 = 20,116.86/x
  3. Step 3: Cross multiply
    37,112.46x = 51,215.22 × 20,116.86
  4. Step 4: Simplify right side
    37,112.46x = 1,030,289,410.61
  5. Step 5: Solve for x
    x = 1,030,289,410.61/37,112.46
  6. Step 6: Final answer
    x = 27,761.28

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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.