Home / 37,906.11-52,309.80-20,911.97

Finding the Fourth Proportional to 37,906.11, 52,309.80 and 20,911.97

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Solution

The fourth proportional to 37,906.11, 52,309.80 and 20,911.97 is: 28,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.11 : 52,309.80 = 20,911.97 : x
  2. Step 2: Convert to fraction form
    37,906.11/52,309.80 = 20,911.97/x
  3. Step 3: Cross multiply
    37,906.11x = 52,309.80 × 20,911.97
  4. Step 4: Simplify right side
    37,906.11x = 1,093,901,099.08
  5. Step 5: Solve for x
    x = 1,093,901,099.08/37,906.11
  6. Step 6: Final answer
    x = 28,858.17

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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.