Home / 36,191.11-49,944.72-20,275.22

Finding the Fourth Proportional to 36,191.11, 49,944.72 and 20,275.22

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Solution

The fourth proportional to 36,191.11, 49,944.72 and 20,275.22 is: 27,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.11 : 49,944.72 = 20,275.22 : x
  2. Step 2: Convert to fraction form
    36,191.11/49,944.72 = 20,275.22/x
  3. Step 3: Cross multiply
    36,191.11x = 49,944.72 × 20,275.22
  4. Step 4: Simplify right side
    36,191.11x = 1,012,640,185.84
  5. Step 5: Solve for x
    x = 1,012,640,185.84/36,191.11
  6. Step 6: Final answer
    x = 27,980.36

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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.