Home / 50,548.08-75,789.68-20,986.32

Finding the Fourth Proportional to 50,548.08, 75,789.68 and 20,986.32

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Solution

The fourth proportional to 50,548.08, 75,789.68 and 20,986.32 is: 31,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,548.08 : 75,789.68 = 20,986.32 : x
  2. Step 2: Convert to fraction form
    50,548.08/75,789.68 = 20,986.32/x
  3. Step 3: Cross multiply
    50,548.08x = 75,789.68 × 20,986.32
  4. Step 4: Simplify right side
    50,548.08x = 1,590,546,477.18
  5. Step 5: Solve for x
    x = 1,590,546,477.18/50,548.08
  6. Step 6: Final answer
    x = 31,466.01

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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.