Home / 36,556.96-50,445.84-20,639.20

Finding the Fourth Proportional to 36,556.96, 50,445.84 and 20,639.20

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Solution

The fourth proportional to 36,556.96, 50,445.84 and 20,639.20 is: 28,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.96 : 50,445.84 = 20,639.20 : x
  2. Step 2: Convert to fraction form
    36,556.96/50,445.84 = 20,639.20/x
  3. Step 3: Cross multiply
    36,556.96x = 50,445.84 × 20,639.20
  4. Step 4: Simplify right side
    36,556.96x = 1,041,161,780.93
  5. Step 5: Solve for x
    x = 1,041,161,780.93/36,556.96
  6. Step 6: Final answer
    x = 28,480.54

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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.