Home / 49,757.36-74,634.88-20,167.28

Finding the Fourth Proportional to 49,757.36, 74,634.88 and 20,167.28

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Solution

The fourth proportional to 49,757.36, 74,634.88 and 20,167.28 is: 30,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,757.36 : 74,634.88 = 20,167.28 : x
  2. Step 2: Convert to fraction form
    49,757.36/74,634.88 = 20,167.28/x
  3. Step 3: Cross multiply
    49,757.36x = 74,634.88 × 20,167.28
  4. Step 4: Simplify right side
    49,757.36x = 1,505,182,522.73
  5. Step 5: Solve for x
    x = 1,505,182,522.73/49,757.36
  6. Step 6: Final answer
    x = 30,250.45

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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.