Home / 21,233.69-31,855.44-6,241.03

Finding the Fourth Proportional to 21,233.69, 31,855.44 and 6,241.03

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Solution

The fourth proportional to 21,233.69, 31,855.44 and 6,241.03 is: 9,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.69 : 31,855.44 = 6,241.03 : x
  2. Step 2: Convert to fraction form
    21,233.69/31,855.44 = 6,241.03/x
  3. Step 3: Cross multiply
    21,233.69x = 31,855.44 × 6,241.03
  4. Step 4: Simplify right side
    21,233.69x = 198,810,756.70
  5. Step 5: Solve for x
    x = 198,810,756.70/21,233.69
  6. Step 6: Final answer
    x = 9,362.99

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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.