Home / 47,107.44-70,636.32-20,799.72

Finding the Fourth Proportional to 47,107.44, 70,636.32 and 20,799.72

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Solution

The fourth proportional to 47,107.44, 70,636.32 and 20,799.72 is: 31,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,107.44 : 70,636.32 = 20,799.72 : x
  2. Step 2: Convert to fraction form
    47,107.44/70,636.32 = 20,799.72/x
  3. Step 3: Cross multiply
    47,107.44x = 70,636.32 × 20,799.72
  4. Step 4: Simplify right side
    47,107.44x = 1,469,215,677.83
  5. Step 5: Solve for x
    x = 1,469,215,677.83/47,107.44
  6. Step 6: Final answer
    x = 31,188.61

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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.