Home / 31,474.92-47,213.52-10,415.49

Finding the Fourth Proportional to 31,474.92, 47,213.52 and 10,415.49

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Solution

The fourth proportional to 31,474.92, 47,213.52 and 10,415.49 is: 15,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.92 : 47,213.52 = 10,415.49 : x
  2. Step 2: Convert to fraction form
    31,474.92/47,213.52 = 10,415.49/x
  3. Step 3: Cross multiply
    31,474.92x = 47,213.52 × 10,415.49
  4. Step 4: Simplify right side
    31,474.92x = 491,751,945.42
  5. Step 5: Solve for x
    x = 491,751,945.42/31,474.92
  6. Step 6: Final answer
    x = 15,623.61

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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.