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Finding the Fourth Proportional to 34,662.92, 47,834.84 and 19,558.79

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Solution

The fourth proportional to 34,662.92, 47,834.84 and 19,558.79 is: 26,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,662.92 : 47,834.84 = 19,558.79 : x
  2. Step 2: Convert to fraction form
    34,662.92/47,834.84 = 19,558.79/x
  3. Step 3: Cross multiply
    34,662.92x = 47,834.84 × 19,558.79
  4. Step 4: Simplify right side
    34,662.92x = 935,591,399.97
  5. Step 5: Solve for x
    x = 935,591,399.97/34,662.92
  6. Step 6: Final answer
    x = 26,991.13

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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.