Home / 33,263.81-45,911.78-21,935.36

Finding the Fourth Proportional to 33,263.81, 45,911.78 and 21,935.36

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Solution

The fourth proportional to 33,263.81, 45,911.78 and 21,935.36 is: 30,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,263.81 : 45,911.78 = 21,935.36 : x
  2. Step 2: Convert to fraction form
    33,263.81/45,911.78 = 21,935.36/x
  3. Step 3: Cross multiply
    33,263.81x = 45,911.78 × 21,935.36
  4. Step 4: Simplify right side
    33,263.81x = 1,007,091,083.31
  5. Step 5: Solve for x
    x = 1,007,091,083.31/33,263.81
  6. Step 6: Final answer
    x = 30,275.88

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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.