Home / 33,242.28-49,746.37-20,768.19

Finding the Fourth Proportional to 33,242.28, 49,746.37 and 20,768.19

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Solution

The fourth proportional to 33,242.28, 49,746.37 and 20,768.19 is: 31,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,242.28 : 49,746.37 = 20,768.19 : x
  2. Step 2: Convert to fraction form
    33,242.28/49,746.37 = 20,768.19/x
  3. Step 3: Cross multiply
    33,242.28x = 49,746.37 × 20,768.19
  4. Step 4: Simplify right side
    33,242.28x = 1,033,142,063.97
  5. Step 5: Solve for x
    x = 1,033,142,063.97/33,242.28
  6. Step 6: Final answer
    x = 31,079.16

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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.