Home / 33,133.06-45,708.56-19,696.69

Finding the Fourth Proportional to 33,133.06, 45,708.56 and 19,696.69

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Solution

The fourth proportional to 33,133.06, 45,708.56 and 19,696.69 is: 27,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.06 : 45,708.56 = 19,696.69 : x
  2. Step 2: Convert to fraction form
    33,133.06/45,708.56 = 19,696.69/x
  3. Step 3: Cross multiply
    33,133.06x = 45,708.56 × 19,696.69
  4. Step 4: Simplify right side
    33,133.06x = 900,307,238.18
  5. Step 5: Solve for x
    x = 900,307,238.18/33,133.06
  6. Step 6: Final answer
    x = 27,172.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.