Home / 31,768.91-47,644.25-12,793.49

Finding the Fourth Proportional to 31,768.91, 47,644.25 and 12,793.49

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Solution

The fourth proportional to 31,768.91, 47,644.25 and 12,793.49 is: 19,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.91 : 47,644.25 = 12,793.49 : x
  2. Step 2: Convert to fraction form
    31,768.91/47,644.25 = 12,793.49/x
  3. Step 3: Cross multiply
    31,768.91x = 47,644.25 × 12,793.49
  4. Step 4: Simplify right side
    31,768.91x = 609,536,452.37
  5. Step 5: Solve for x
    x = 609,536,452.37/31,768.91
  6. Step 6: Final answer
    x = 19,186.57

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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.