Home / 36,900.06-50,928.60-21,791.71

Finding the Fourth Proportional to 36,900.06, 50,928.60 and 21,791.71

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Solution

The fourth proportional to 36,900.06, 50,928.60 and 21,791.71 is: 30,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,900.06 : 50,928.60 = 21,791.71 : x
  2. Step 2: Convert to fraction form
    36,900.06/50,928.60 = 21,791.71/x
  3. Step 3: Cross multiply
    36,900.06x = 50,928.60 × 21,791.71
  4. Step 4: Simplify right side
    36,900.06x = 1,109,821,281.91
  5. Step 5: Solve for x
    x = 1,109,821,281.91/36,900.06
  6. Step 6: Final answer
    x = 30,076.41

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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.