Home / 36,688.25-50,629.79-19,921.25

Finding the Fourth Proportional to 36,688.25, 50,629.79 and 19,921.25

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Solution

The fourth proportional to 36,688.25, 50,629.79 and 19,921.25 is: 27,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.25 : 50,629.79 = 19,921.25 : x
  2. Step 2: Convert to fraction form
    36,688.25/50,629.79 = 19,921.25/x
  3. Step 3: Cross multiply
    36,688.25x = 50,629.79 × 19,921.25
  4. Step 4: Simplify right side
    36,688.25x = 1,008,608,704.04
  5. Step 5: Solve for x
    x = 1,008,608,704.04/36,688.25
  6. Step 6: Final answer
    x = 27,491.33

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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.