Home / 33,238.06-45,873.39-21,905.71

Finding the Fourth Proportional to 33,238.06, 45,873.39 and 21,905.71

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Solution

The fourth proportional to 33,238.06, 45,873.39 and 21,905.71 is: 30,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.06 : 45,873.39 = 21,905.71 : x
  2. Step 2: Convert to fraction form
    33,238.06/45,873.39 = 21,905.71/x
  3. Step 3: Cross multiply
    33,238.06x = 45,873.39 × 21,905.71
  4. Step 4: Simplify right side
    33,238.06x = 1,004,889,178.06
  5. Step 5: Solve for x
    x = 1,004,889,178.06/33,238.06
  6. Step 6: Final answer
    x = 30,233.09

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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.