Home / 33,943.10-46,871.23-21,218.03

Finding the Fourth Proportional to 33,943.10, 46,871.23 and 21,218.03

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Solution

The fourth proportional to 33,943.10, 46,871.23 and 21,218.03 is: 29,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,943.10 : 46,871.23 = 21,218.03 : x
  2. Step 2: Convert to fraction form
    33,943.10/46,871.23 = 21,218.03/x
  3. Step 3: Cross multiply
    33,943.10x = 46,871.23 × 21,218.03
  4. Step 4: Simplify right side
    33,943.10x = 994,514,876.88
  5. Step 5: Solve for x
    x = 994,514,876.88/33,943.10
  6. Step 6: Final answer
    x = 29,299.48

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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.