Home / 33,789.36-46,630.94-18,681.74

Finding the Fourth Proportional to 33,789.36, 46,630.94 and 18,681.74

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Solution

The fourth proportional to 33,789.36, 46,630.94 and 18,681.74 is: 25,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.36 : 46,630.94 = 18,681.74 : x
  2. Step 2: Convert to fraction form
    33,789.36/46,630.94 = 18,681.74/x
  3. Step 3: Cross multiply
    33,789.36x = 46,630.94 × 18,681.74
  4. Step 4: Simplify right side
    33,789.36x = 871,147,097.04
  5. Step 5: Solve for x
    x = 871,147,097.04/33,789.36
  6. Step 6: Final answer
    x = 25,781.70

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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.