Home / 47,236.60-70,872.17-21,947.79

Finding the Fourth Proportional to 47,236.60, 70,872.17 and 21,947.79

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Solution

The fourth proportional to 47,236.60, 70,872.17 and 21,947.79 is: 32,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236.60 : 70,872.17 = 21,947.79 : x
  2. Step 2: Convert to fraction form
    47,236.60/70,872.17 = 21,947.79/x
  3. Step 3: Cross multiply
    47,236.60x = 70,872.17 × 21,947.79
  4. Step 4: Simplify right side
    47,236.60x = 1,555,487,660.04
  5. Step 5: Solve for x
    x = 1,555,487,660.04/47,236.60
  6. Step 6: Final answer
    x = 32,929.71

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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.