Home / 36,881.71-55,296.43-20,249.57

Finding the Fourth Proportional to 36,881.71, 55,296.43 and 20,249.57

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Solution

The fourth proportional to 36,881.71, 55,296.43 and 20,249.57 is: 30,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.71 : 55,296.43 = 20,249.57 : x
  2. Step 2: Convert to fraction form
    36,881.71/55,296.43 = 20,249.57/x
  3. Step 3: Cross multiply
    36,881.71x = 55,296.43 × 20,249.57
  4. Step 4: Simplify right side
    36,881.71x = 1,119,728,930.04
  5. Step 5: Solve for x
    x = 1,119,728,930.04/36,881.71
  6. Step 6: Final answer
    x = 30,360.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.