Home / 30,940.23-46,372.24-12,201.42

Finding the Fourth Proportional to 30,940.23, 46,372.24 and 12,201.42

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Solution

The fourth proportional to 30,940.23, 46,372.24 and 12,201.42 is: 18,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.23 : 46,372.24 = 12,201.42 : x
  2. Step 2: Convert to fraction form
    30,940.23/46,372.24 = 12,201.42/x
  3. Step 3: Cross multiply
    30,940.23x = 46,372.24 × 12,201.42
  4. Step 4: Simplify right side
    30,940.23x = 565,807,297.10
  5. Step 5: Solve for x
    x = 565,807,297.10/30,940.23
  6. Step 6: Final answer
    x = 18,287.10

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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.