Home / 43,770.19-65,675.79-21,571.46

Finding the Fourth Proportional to 43,770.19, 65,675.79 and 21,571.46

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Solution

The fourth proportional to 43,770.19, 65,675.79 and 21,571.46 is: 32,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,770.19 : 65,675.79 = 21,571.46 : x
  2. Step 2: Convert to fraction form
    43,770.19/65,675.79 = 21,571.46/x
  3. Step 3: Cross multiply
    43,770.19x = 65,675.79 × 21,571.46
  4. Step 4: Simplify right side
    43,770.19x = 1,416,722,730.88
  5. Step 5: Solve for x
    x = 1,416,722,730.88/43,770.19
  6. Step 6: Final answer
    x = 32,367.29

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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.