Home / 45,136.36-62,230.44-30,964.60

Finding the Fourth Proportional to 45,136.36, 62,230.44 and 30,964.60

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Solution

The fourth proportional to 45,136.36, 62,230.44 and 30,964.60 is: 42,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,136.36 : 62,230.44 = 30,964.60 : x
  2. Step 2: Convert to fraction form
    45,136.36/62,230.44 = 30,964.60/x
  3. Step 3: Cross multiply
    45,136.36x = 62,230.44 × 30,964.60
  4. Step 4: Simplify right side
    45,136.36x = 1,926,940,682.42
  5. Step 5: Solve for x
    x = 1,926,940,682.42/45,136.36
  6. Step 6: Final answer
    x = 42,691.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.