Home / 33,021.91-45,565.40-18,872.02

Finding the Fourth Proportional to 33,021.91, 45,565.40 and 18,872.02

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Solution

The fourth proportional to 33,021.91, 45,565.40 and 18,872.02 is: 26,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.91 : 45,565.40 = 18,872.02 : x
  2. Step 2: Convert to fraction form
    33,021.91/45,565.40 = 18,872.02/x
  3. Step 3: Cross multiply
    33,021.91x = 45,565.40 × 18,872.02
  4. Step 4: Simplify right side
    33,021.91x = 859,910,817.92
  5. Step 5: Solve for x
    x = 859,910,817.92/33,021.91
  6. Step 6: Final answer
    x = 26,040.62

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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.