Home / 36,698.26-50,644.80-20,782.37

Finding the Fourth Proportional to 36,698.26, 50,644.80 and 20,782.37

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Solution

The fourth proportional to 36,698.26, 50,644.80 and 20,782.37 is: 28,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.26 : 50,644.80 = 20,782.37 : x
  2. Step 2: Convert to fraction form
    36,698.26/50,644.80 = 20,782.37/x
  3. Step 3: Cross multiply
    36,698.26x = 50,644.80 × 20,782.37
  4. Step 4: Simplify right side
    36,698.26x = 1,052,518,972.18
  5. Step 5: Solve for x
    x = 1,052,518,972.18/36,698.26
  6. Step 6: Final answer
    x = 28,680.35

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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.