Home / 36,556.88-50,449.40-20,641.56

Finding the Fourth Proportional to 36,556.88, 50,449.40 and 20,641.56

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Solution

The fourth proportional to 36,556.88, 50,449.40 and 20,641.56 is: 28,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.88 : 50,449.40 = 20,641.56 : x
  2. Step 2: Convert to fraction form
    36,556.88/50,449.40 = 20,641.56/x
  3. Step 3: Cross multiply
    36,556.88x = 50,449.40 × 20,641.56
  4. Step 4: Simplify right side
    36,556.88x = 1,041,354,317.06
  5. Step 5: Solve for x
    x = 1,041,354,317.06/36,556.88
  6. Step 6: Final answer
    x = 28,485.86

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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.