Home / 50,218.72-69,297.41-28,704.20

Finding the Fourth Proportional to 50,218.72, 69,297.41 and 28,704.20

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Solution

The fourth proportional to 50,218.72, 69,297.41 and 28,704.20 is: 39,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,218.72 : 69,297.41 = 28,704.20 : x
  2. Step 2: Convert to fraction form
    50,218.72/69,297.41 = 28,704.20/x
  3. Step 3: Cross multiply
    50,218.72x = 69,297.41 × 28,704.20
  4. Step 4: Simplify right side
    50,218.72x = 1,989,126,441.40
  5. Step 5: Solve for x
    x = 1,989,126,441.40/50,218.72
  6. Step 6: Final answer
    x = 39,609.26

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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.