Home / 33,087.63-45,661.95-18,945.03

Finding the Fourth Proportional to 33,087.63, 45,661.95 and 18,945.03

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Solution

The fourth proportional to 33,087.63, 45,661.95 and 18,945.03 is: 26,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.63 : 45,661.95 = 18,945.03 : x
  2. Step 2: Convert to fraction form
    33,087.63/45,661.95 = 18,945.03/x
  3. Step 3: Cross multiply
    33,087.63x = 45,661.95 × 18,945.03
  4. Step 4: Simplify right side
    33,087.63x = 865,067,012.61
  5. Step 5: Solve for x
    x = 865,067,012.61/33,087.63
  6. Step 6: Final answer
    x = 26,144.73

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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.