Home / 33,286.47-45,935.63-18,945.59

Finding the Fourth Proportional to 33,286.47, 45,935.63 and 18,945.59

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Solution

The fourth proportional to 33,286.47, 45,935.63 and 18,945.59 is: 26,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.47 : 45,935.63 = 18,945.59 : x
  2. Step 2: Convert to fraction form
    33,286.47/45,935.63 = 18,945.59/x
  3. Step 3: Cross multiply
    33,286.47x = 45,935.63 × 18,945.59
  4. Step 4: Simplify right side
    33,286.47x = 870,277,612.37
  5. Step 5: Solve for x
    x = 870,277,612.37/33,286.47
  6. Step 6: Final answer
    x = 26,145.09

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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.