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Finding the Fourth Proportional to 33,990.67, 50,980.73 and 17,362.99

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Solution

The fourth proportional to 33,990.67, 50,980.73 and 17,362.99 is: 26,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.67 : 50,980.73 = 17,362.99 : x
  2. Step 2: Convert to fraction form
    33,990.67/50,980.73 = 17,362.99/x
  3. Step 3: Cross multiply
    33,990.67x = 50,980.73 × 17,362.99
  4. Step 4: Simplify right side
    33,990.67x = 885,177,650.28
  5. Step 5: Solve for x
    x = 885,177,650.28/33,990.67
  6. Step 6: Final answer
    x = 26,041.79

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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.