Home / 36,505.88-50,378.20-21,395.54

Finding the Fourth Proportional to 36,505.88, 50,378.20 and 21,395.54

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Solution

The fourth proportional to 36,505.88, 50,378.20 and 21,395.54 is: 29,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.88 : 50,378.20 = 21,395.54 : x
  2. Step 2: Convert to fraction form
    36,505.88/50,378.20 = 21,395.54/x
  3. Step 3: Cross multiply
    36,505.88x = 50,378.20 × 21,395.54
  4. Step 4: Simplify right side
    36,505.88x = 1,077,868,793.23
  5. Step 5: Solve for x
    x = 1,077,868,793.23/36,505.88
  6. Step 6: Final answer
    x = 29,525.90

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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.