Home / 30,287.30-41,791.59-16,858.22

Finding the Fourth Proportional to 30,287.30, 41,791.59 and 16,858.22

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Solution

The fourth proportional to 30,287.30, 41,791.59 and 16,858.22 is: 23,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.30 : 41,791.59 = 16,858.22 : x
  2. Step 2: Convert to fraction form
    30,287.30/41,791.59 = 16,858.22/x
  3. Step 3: Cross multiply
    30,287.30x = 41,791.59 × 16,858.22
  4. Step 4: Simplify right side
    30,287.30x = 704,531,609.41
  5. Step 5: Solve for x
    x = 704,531,609.41/30,287.30
  6. Step 6: Final answer
    x = 23,261.62

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1.5x scale

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.