Home / 20,039.00-30,048.57-11,721.11

Finding the Fourth Proportional to 20,039.00, 30,048.57 and 11,721.11

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Solution

The fourth proportional to 20,039.00, 30,048.57 and 11,721.11 is: 17,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.00 : 30,048.57 = 11,721.11 : x
  2. Step 2: Convert to fraction form
    20,039.00/30,048.57 = 11,721.11/x
  3. Step 3: Cross multiply
    20,039.00x = 30,048.57 × 11,721.11
  4. Step 4: Simplify right side
    20,039.00x = 352,202,444.07
  5. Step 5: Solve for x
    x = 352,202,444.07/20,039.00
  6. Step 6: Final answer
    x = 17,575.85

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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.