Home / 36,774.09-50,749.38-20,859.21

Finding the Fourth Proportional to 36,774.09, 50,749.38 and 20,859.21

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Solution

The fourth proportional to 36,774.09, 50,749.38 and 20,859.21 is: 28,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,774.09 : 50,749.38 = 20,859.21 : x
  2. Step 2: Convert to fraction form
    36,774.09/50,749.38 = 20,859.21/x
  3. Step 3: Cross multiply
    36,774.09x = 50,749.38 × 20,859.21
  4. Step 4: Simplify right side
    36,774.09x = 1,058,591,974.79
  5. Step 5: Solve for x
    x = 1,058,591,974.79/36,774.09
  6. Step 6: Final answer
    x = 28,786.35

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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.