Home / 33,124.80-45,704.18-21,020.88

Finding the Fourth Proportional to 33,124.80, 45,704.18 and 21,020.88

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Solution

The fourth proportional to 33,124.80, 45,704.18 and 21,020.88 is: 29,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.80 : 45,704.18 = 21,020.88 : x
  2. Step 2: Convert to fraction form
    33,124.80/45,704.18 = 21,020.88/x
  3. Step 3: Cross multiply
    33,124.80x = 45,704.18 × 21,020.88
  4. Step 4: Simplify right side
    33,124.80x = 960,742,083.28
  5. Step 5: Solve for x
    x = 960,742,083.28/33,124.80
  6. Step 6: Final answer
    x = 29,003.71

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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.