Home / 43,074.29-64,611.39-13,494.43

Finding the Fourth Proportional to 43,074.29, 64,611.39 and 13,494.43

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Solution

The fourth proportional to 43,074.29, 64,611.39 and 13,494.43 is: 20,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.29 : 64,611.39 = 13,494.43 : x
  2. Step 2: Convert to fraction form
    43,074.29/64,611.39 = 13,494.43/x
  3. Step 3: Cross multiply
    43,074.29x = 64,611.39 × 13,494.43
  4. Step 4: Simplify right side
    43,074.29x = 871,893,879.56
  5. Step 5: Solve for x
    x = 871,893,879.56/43,074.29
  6. Step 6: Final answer
    x = 20,241.63

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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.