Home / 33,261.60-49,912.32-13,267.56

Finding the Fourth Proportional to 33,261.60, 49,912.32 and 13,267.56

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Solution

The fourth proportional to 33,261.60, 49,912.32 and 13,267.56 is: 19,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.60 : 49,912.32 = 13,267.56 : x
  2. Step 2: Convert to fraction form
    33,261.60/49,912.32 = 13,267.56/x
  3. Step 3: Cross multiply
    33,261.60x = 49,912.32 × 13,267.56
  4. Step 4: Simplify right side
    33,261.60x = 662,214,700.34
  5. Step 5: Solve for x
    x = 662,214,700.34/33,261.60
  6. Step 6: Final answer
    x = 19,909.29

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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.