Home / 36,919.78-50,944.67-21,004.49

Finding the Fourth Proportional to 36,919.78, 50,944.67 and 21,004.49

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Solution

The fourth proportional to 36,919.78, 50,944.67 and 21,004.49 is: 28,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.78 : 50,944.67 = 21,004.49 : x
  2. Step 2: Convert to fraction form
    36,919.78/50,944.67 = 21,004.49/x
  3. Step 3: Cross multiply
    36,919.78x = 50,944.67 × 21,004.49
  4. Step 4: Simplify right side
    36,919.78x = 1,070,066,811.57
  5. Step 5: Solve for x
    x = 1,070,066,811.57/36,919.78
  6. Step 6: Final answer
    x = 28,983.56

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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.