Home / 31,960.38-47,940.42-13,226.85

Finding the Fourth Proportional to 31,960.38, 47,940.42 and 13,226.85

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Solution

The fourth proportional to 31,960.38, 47,940.42 and 13,226.85 is: 19,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.38 : 47,940.42 = 13,226.85 : x
  2. Step 2: Convert to fraction form
    31,960.38/47,940.42 = 13,226.85/x
  3. Step 3: Cross multiply
    31,960.38x = 47,940.42 × 13,226.85
  4. Step 4: Simplify right side
    31,960.38x = 634,100,744.28
  5. Step 5: Solve for x
    x = 634,100,744.28/31,960.38
  6. Step 6: Final answer
    x = 19,840.21

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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.