Home / 34,493.78-47,601.60-20,154.44

Finding the Fourth Proportional to 34,493.78, 47,601.60 and 20,154.44

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Solution

The fourth proportional to 34,493.78, 47,601.60 and 20,154.44 is: 27,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,493.78 : 47,601.60 = 20,154.44 : x
  2. Step 2: Convert to fraction form
    34,493.78/47,601.60 = 20,154.44/x
  3. Step 3: Cross multiply
    34,493.78x = 47,601.60 × 20,154.44
  4. Step 4: Simplify right side
    34,493.78x = 959,383,591.10
  5. Step 5: Solve for x
    x = 959,383,591.10/34,493.78
  6. Step 6: Final answer
    x = 27,813.23

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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.