Home / 43,769.70-65,611.35-21,564.90

Finding the Fourth Proportional to 43,769.70, 65,611.35 and 21,564.90

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Solution

The fourth proportional to 43,769.70, 65,611.35 and 21,564.90 is: 32,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,769.70 : 65,611.35 = 21,564.90 : x
  2. Step 2: Convert to fraction form
    43,769.70/65,611.35 = 21,564.90/x
  3. Step 3: Cross multiply
    43,769.70x = 65,611.35 × 21,564.90
  4. Step 4: Simplify right side
    43,769.70x = 1,414,902,201.62
  5. Step 5: Solve for x
    x = 1,414,902,201.62/43,769.70
  6. Step 6: Final answer
    x = 32,326.07

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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.