Home / 33,890-50,867.40-14,163.32

Finding the Fourth Proportional to 33,890, 50,867.40 and 14,163.32

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Solution

The fourth proportional to 33,890, 50,867.40 and 14,163.32 is: 21,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890 : 50,867.40 = 14,163.32 : x
  2. Step 2: Convert to fraction form
    33,890/50,867.40 = 14,163.32/x
  3. Step 3: Cross multiply
    33,890x = 50,867.40 × 14,163.32
  4. Step 4: Simplify right side
    33,890x = 720,451,263.77
  5. Step 5: Solve for x
    x = 720,451,263.77/33,890
  6. Step 6: Final answer
    x = 21,258.52

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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.