Home / 36,680.39-50,619.35-20,764.49

Finding the Fourth Proportional to 36,680.39, 50,619.35 and 20,764.49

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Solution

The fourth proportional to 36,680.39, 50,619.35 and 20,764.49 is: 28,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.39 : 50,619.35 = 20,764.49 : x
  2. Step 2: Convert to fraction form
    36,680.39/50,619.35 = 20,764.49/x
  3. Step 3: Cross multiply
    36,680.39x = 50,619.35 × 20,764.49
  4. Step 4: Simplify right side
    36,680.39x = 1,051,084,986.88
  5. Step 5: Solve for x
    x = 1,051,084,986.88/36,680.39
  6. Step 6: Final answer
    x = 28,655.23

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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.