Home / 33,089.58-45,676.35-21,163.14

Finding the Fourth Proportional to 33,089.58, 45,676.35 and 21,163.14

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Solution

The fourth proportional to 33,089.58, 45,676.35 and 21,163.14 is: 29,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,089.58 : 45,676.35 = 21,163.14 : x
  2. Step 2: Convert to fraction form
    33,089.58/45,676.35 = 21,163.14/x
  3. Step 3: Cross multiply
    33,089.58x = 45,676.35 × 21,163.14
  4. Step 4: Simplify right side
    33,089.58x = 966,654,989.74
  5. Step 5: Solve for x
    x = 966,654,989.74/33,089.58
  6. Step 6: Final answer
    x = 29,213.27

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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.