Home / 35,131.80-48,507.24-21,721.44

Finding the Fourth Proportional to 35,131.80, 48,507.24 and 21,721.44

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Solution

The fourth proportional to 35,131.80, 48,507.24 and 21,721.44 is: 29,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.80 : 48,507.24 = 21,721.44 : x
  2. Step 2: Convert to fraction form
    35,131.80/48,507.24 = 21,721.44/x
  3. Step 3: Cross multiply
    35,131.80x = 48,507.24 × 21,721.44
  4. Step 4: Simplify right side
    35,131.80x = 1,053,647,103.23
  5. Step 5: Solve for x
    x = 1,053,647,103.23/35,131.80
  6. Step 6: Final answer
    x = 29,991.26

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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.