Home / 43,221.11-64,860.82-16,922.57

Finding the Fourth Proportional to 43,221.11, 64,860.82 and 16,922.57

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Solution

The fourth proportional to 43,221.11, 64,860.82 and 16,922.57 is: 25,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.11 : 64,860.82 = 16,922.57 : x
  2. Step 2: Convert to fraction form
    43,221.11/64,860.82 = 16,922.57/x
  3. Step 3: Cross multiply
    43,221.11x = 64,860.82 × 16,922.57
  4. Step 4: Simplify right side
    43,221.11x = 1,097,611,400.10
  5. Step 5: Solve for x
    x = 1,097,611,400.10/43,221.11
  6. Step 6: Final answer
    x = 25,395.26

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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.