Home / 20,821.24-31,231.66-6,030.03

Finding the Fourth Proportional to 20,821.24, 31,231.66 and 6,030.03

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Solution

The fourth proportional to 20,821.24, 31,231.66 and 6,030.03 is: 9,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,821.24 : 31,231.66 = 6,030.03 : x
  2. Step 2: Convert to fraction form
    20,821.24/31,231.66 = 6,030.03/x
  3. Step 3: Cross multiply
    20,821.24x = 31,231.66 × 6,030.03
  4. Step 4: Simplify right side
    20,821.24x = 188,327,846.75
  5. Step 5: Solve for x
    x = 188,327,846.75/20,821.24
  6. Step 6: Final answer
    x = 9,044.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.