Home / 36,739.28-50,696.04-20,820.32

Finding the Fourth Proportional to 36,739.28, 50,696.04 and 20,820.32

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Solution

The fourth proportional to 36,739.28, 50,696.04 and 20,820.32 is: 28,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,739.28 : 50,696.04 = 20,820.32 : x
  2. Step 2: Convert to fraction form
    36,739.28/50,696.04 = 20,820.32/x
  3. Step 3: Cross multiply
    36,739.28x = 50,696.04 × 20,820.32
  4. Step 4: Simplify right side
    36,739.28x = 1,055,507,775.53
  5. Step 5: Solve for x
    x = 1,055,507,775.53/36,739.28
  6. Step 6: Final answer
    x = 28,729.68

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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.