Home / 34,177.39-47,168.05-20,745.56

Finding the Fourth Proportional to 34,177.39, 47,168.05 and 20,745.56

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Solution

The fourth proportional to 34,177.39, 47,168.05 and 20,745.56 is: 28,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.39 : 47,168.05 = 20,745.56 : x
  2. Step 2: Convert to fraction form
    34,177.39/47,168.05 = 20,745.56/x
  3. Step 3: Cross multiply
    34,177.39x = 47,168.05 × 20,745.56
  4. Step 4: Simplify right side
    34,177.39x = 978,527,611.36
  5. Step 5: Solve for x
    x = 978,527,611.36/34,177.39
  6. Step 6: Final answer
    x = 28,630.85

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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.