Home / 37,067.82-51,152.86-21,149.70

Finding the Fourth Proportional to 37,067.82, 51,152.86 and 21,149.70

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Solution

The fourth proportional to 37,067.82, 51,152.86 and 21,149.70 is: 29,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,067.82 : 51,152.86 = 21,149.70 : x
  2. Step 2: Convert to fraction form
    37,067.82/51,152.86 = 21,149.70/x
  3. Step 3: Cross multiply
    37,067.82x = 51,152.86 × 21,149.70
  4. Step 4: Simplify right side
    37,067.82x = 1,081,867,643.14
  5. Step 5: Solve for x
    x = 1,081,867,643.14/37,067.82
  6. Step 6: Final answer
    x = 29,186.17

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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.