Home / 51,246.28-76,873.38-19,671.46

Finding the Fourth Proportional to 51,246.28, 76,873.38 and 19,671.46

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Solution

The fourth proportional to 51,246.28, 76,873.38 and 19,671.46 is: 29,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,246.28 : 76,873.38 = 19,671.46 : x
  2. Step 2: Convert to fraction form
    51,246.28/76,873.38 = 19,671.46/x
  3. Step 3: Cross multiply
    51,246.28x = 76,873.38 × 19,671.46
  4. Step 4: Simplify right side
    51,246.28x = 1,512,211,619.73
  5. Step 5: Solve for x
    x = 1,512,211,619.73/51,246.28
  6. Step 6: Final answer
    x = 29,508.71

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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.