Home / 31,571.06-47,344.22-11,838.86

Finding the Fourth Proportional to 31,571.06, 47,344.22 and 11,838.86

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Solution

The fourth proportional to 31,571.06, 47,344.22 and 11,838.86 is: 17,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.06 : 47,344.22 = 11,838.86 : x
  2. Step 2: Convert to fraction form
    31,571.06/47,344.22 = 11,838.86/x
  3. Step 3: Cross multiply
    31,571.06x = 47,344.22 × 11,838.86
  4. Step 4: Simplify right side
    31,571.06x = 560,501,592.39
  5. Step 5: Solve for x
    x = 560,501,592.39/31,571.06
  6. Step 6: Final answer
    x = 17,753.65

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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.