Home / 36,557.88-50,450.78-20,642.56

Finding the Fourth Proportional to 36,557.88, 50,450.78 and 20,642.56

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Solution

The fourth proportional to 36,557.88, 50,450.78 and 20,642.56 is: 28,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,557.88 : 50,450.78 = 20,642.56 : x
  2. Step 2: Convert to fraction form
    36,557.88/50,450.78 = 20,642.56/x
  3. Step 3: Cross multiply
    36,557.88x = 50,450.78 × 20,642.56
  4. Step 4: Simplify right side
    36,557.88x = 1,041,433,253.20
  5. Step 5: Solve for x
    x = 1,041,433,253.20/36,557.88
  6. Step 6: Final answer
    x = 28,487.24

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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.