Home / 40,136.11-60,241.52-20,429.42

Finding the Fourth Proportional to 40,136.11, 60,241.52 and 20,429.42

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Solution

The fourth proportional to 40,136.11, 60,241.52 and 20,429.42 is: 30,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.11 : 60,241.52 = 20,429.42 : x
  2. Step 2: Convert to fraction form
    40,136.11/60,241.52 = 20,429.42/x
  3. Step 3: Cross multiply
    40,136.11x = 60,241.52 × 20,429.42
  4. Step 4: Simplify right side
    40,136.11x = 1,230,699,063.38
  5. Step 5: Solve for x
    x = 1,230,699,063.38/40,136.11
  6. Step 6: Final answer
    x = 30,663.14

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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.