Home / 29,107.18-43,668.80-11,589.31

Finding the Fourth Proportional to 29,107.18, 43,668.80 and 11,589.31

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Solution

The fourth proportional to 29,107.18, 43,668.80 and 11,589.31 is: 17,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.18 : 43,668.80 = 11,589.31 : x
  2. Step 2: Convert to fraction form
    29,107.18/43,668.80 = 11,589.31/x
  3. Step 3: Cross multiply
    29,107.18x = 43,668.80 × 11,589.31
  4. Step 4: Simplify right side
    29,107.18x = 506,091,180.33
  5. Step 5: Solve for x
    x = 506,091,180.33/29,107.18
  6. Step 6: Final answer
    x = 17,387.16

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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.