Home / 31,650.62-47,509.39-30,935.90

Finding the Fourth Proportional to 31,650.62, 47,509.39 and 30,935.90

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Solution

The fourth proportional to 31,650.62, 47,509.39 and 30,935.90 is: 46,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.62 : 47,509.39 = 30,935.90 : x
  2. Step 2: Convert to fraction form
    31,650.62/47,509.39 = 30,935.90/x
  3. Step 3: Cross multiply
    31,650.62x = 47,509.39 × 30,935.90
  4. Step 4: Simplify right side
    31,650.62x = 1,469,745,539.22
  5. Step 5: Solve for x
    x = 1,469,745,539.22/31,650.62
  6. Step 6: Final answer
    x = 46,436.54

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1.5x scale

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.