Home / 50,406.03-75,621.48-20,832.33

Finding the Fourth Proportional to 50,406.03, 75,621.48 and 20,832.33

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Solution

The fourth proportional to 50,406.03, 75,621.48 and 20,832.33 is: 31,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,406.03 : 75,621.48 = 20,832.33 : x
  2. Step 2: Convert to fraction form
    50,406.03/75,621.48 = 20,832.33/x
  3. Step 3: Cross multiply
    50,406.03x = 75,621.48 × 20,832.33
  4. Step 4: Simplify right side
    50,406.03x = 1,575,371,626.45
  5. Step 5: Solve for x
    x = 1,575,371,626.45/50,406.03
  6. Step 6: Final answer
    x = 31,253.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.