Home / 33,666.50-50,507.04-12,890

Finding the Fourth Proportional to 33,666.50, 50,507.04 and 12,890

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Solution

The fourth proportional to 33,666.50, 50,507.04 and 12,890 is: 19,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,666.50 : 50,507.04 = 12,890 : x
  2. Step 2: Convert to fraction form
    33,666.50/50,507.04 = 12,890/x
  3. Step 3: Cross multiply
    33,666.50x = 50,507.04 × 12,890
  4. Step 4: Simplify right side
    33,666.50x = 651,035,745.60
  5. Step 5: Solve for x
    x = 651,035,745.60/33,666.50
  6. Step 6: Final answer
    x = 19,337.79

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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.