Home / 36,683.06-50,621.09-20,768.45

Finding the Fourth Proportional to 36,683.06, 50,621.09 and 20,768.45

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Solution

The fourth proportional to 36,683.06, 50,621.09 and 20,768.45 is: 28,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.06 : 50,621.09 = 20,768.45 : x
  2. Step 2: Convert to fraction form
    36,683.06/50,621.09 = 20,768.45/x
  3. Step 3: Cross multiply
    36,683.06x = 50,621.09 × 20,768.45
  4. Step 4: Simplify right side
    36,683.06x = 1,051,321,219.66
  5. Step 5: Solve for x
    x = 1,051,321,219.66/36,683.06
  6. Step 6: Final answer
    x = 28,659.59

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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.