Home / 33,140.52-49,728.06-13,433.64

Finding the Fourth Proportional to 33,140.52, 49,728.06 and 13,433.64

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Solution

The fourth proportional to 33,140.52, 49,728.06 and 13,433.64 is: 20,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.52 : 49,728.06 = 13,433.64 : x
  2. Step 2: Convert to fraction form
    33,140.52/49,728.06 = 13,433.64/x
  3. Step 3: Cross multiply
    33,140.52x = 49,728.06 × 13,433.64
  4. Step 4: Simplify right side
    33,140.52x = 668,028,855.94
  5. Step 5: Solve for x
    x = 668,028,855.94/33,140.52
  6. Step 6: Final answer
    x = 20,157.46

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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.