Home / 50,481.20-75,729.80-17,204.40

Finding the Fourth Proportional to 50,481.20, 75,729.80 and 17,204.40

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Solution

The fourth proportional to 50,481.20, 75,729.80 and 17,204.40 is: 25,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,481.20 : 75,729.80 = 17,204.40 : x
  2. Step 2: Convert to fraction form
    50,481.20/75,729.80 = 17,204.40/x
  3. Step 3: Cross multiply
    50,481.20x = 75,729.80 × 17,204.40
  4. Step 4: Simplify right side
    50,481.20x = 1,302,885,771.12
  5. Step 5: Solve for x
    x = 1,302,885,771.12/50,481.20
  6. Step 6: Final answer
    x = 25,809.33

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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.