Home / 31,375.44-47,063.18-19,696.86

Finding the Fourth Proportional to 31,375.44, 47,063.18 and 19,696.86

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Solution

The fourth proportional to 31,375.44, 47,063.18 and 19,696.86 is: 29,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.44 : 47,063.18 = 19,696.86 : x
  2. Step 2: Convert to fraction form
    31,375.44/47,063.18 = 19,696.86/x
  3. Step 3: Cross multiply
    31,375.44x = 47,063.18 × 19,696.86
  4. Step 4: Simplify right side
    31,375.44x = 926,996,867.61
  5. Step 5: Solve for x
    x = 926,996,867.61/31,375.44
  6. Step 6: Final answer
    x = 29,545.30

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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.