Home / 20,539.03-30,803.83-5,748.99

Finding the Fourth Proportional to 20,539.03, 30,803.83 and 5,748.99

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Solution

The fourth proportional to 20,539.03, 30,803.83 and 5,748.99 is: 8,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.03 : 30,803.83 = 5,748.99 : x
  2. Step 2: Convert to fraction form
    20,539.03/30,803.83 = 5,748.99/x
  3. Step 3: Cross multiply
    20,539.03x = 30,803.83 × 5,748.99
  4. Step 4: Simplify right side
    20,539.03x = 177,090,910.63
  5. Step 5: Solve for x
    x = 177,090,910.63/20,539.03
  6. Step 6: Final answer
    x = 8,622.17

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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.