Home / 20,539.24-30,806.49-5,749.33

Finding the Fourth Proportional to 20,539.24, 30,806.49 and 5,749.33

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Solution

The fourth proportional to 20,539.24, 30,806.49 and 5,749.33 is: 8,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.24 : 30,806.49 = 5,749.33 : x
  2. Step 2: Convert to fraction form
    20,539.24/30,806.49 = 5,749.33/x
  3. Step 3: Cross multiply
    20,539.24x = 30,806.49 × 5,749.33
  4. Step 4: Simplify right side
    20,539.24x = 177,116,677.15
  5. Step 5: Solve for x
    x = 177,116,677.15/20,539.24
  6. Step 6: Final answer
    x = 8,623.33

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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.