Home / 43,211.40-64,791.18-16,884.78

Finding the Fourth Proportional to 43,211.40, 64,791.18 and 16,884.78

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Solution

The fourth proportional to 43,211.40, 64,791.18 and 16,884.78 is: 25,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.40 : 64,791.18 = 16,884.78 : x
  2. Step 2: Convert to fraction form
    43,211.40/64,791.18 = 16,884.78/x
  3. Step 3: Cross multiply
    43,211.40x = 64,791.18 × 16,884.78
  4. Step 4: Simplify right side
    43,211.40x = 1,093,984,820.24
  5. Step 5: Solve for x
    x = 1,093,984,820.24/43,211.40
  6. Step 6: Final answer
    x = 25,317.04

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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.