Home / 36,879.71-55,293.44-20,247.57

Finding the Fourth Proportional to 36,879.71, 55,293.44 and 20,247.57

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Solution

The fourth proportional to 36,879.71, 55,293.44 and 20,247.57 is: 30,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,879.71 : 55,293.44 = 20,247.57 : x
  2. Step 2: Convert to fraction form
    36,879.71/55,293.44 = 20,247.57/x
  3. Step 3: Cross multiply
    36,879.71x = 55,293.44 × 20,247.57
  4. Step 4: Simplify right side
    36,879.71x = 1,119,557,695.70
  5. Step 5: Solve for x
    x = 1,119,557,695.70/36,879.71
  6. Step 6: Final answer
    x = 30,357.01

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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.