Home / 33,197.60-49,762.64-13,221.24

Finding the Fourth Proportional to 33,197.60, 49,762.64 and 13,221.24

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Solution

The fourth proportional to 33,197.60, 49,762.64 and 13,221.24 is: 19,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,197.60 : 49,762.64 = 13,221.24 : x
  2. Step 2: Convert to fraction form
    33,197.60/49,762.64 = 13,221.24/x
  3. Step 3: Cross multiply
    33,197.60x = 49,762.64 × 13,221.24
  4. Step 4: Simplify right side
    33,197.60x = 657,923,740.37
  5. Step 5: Solve for x
    x = 657,923,740.37/33,197.60
  6. Step 6: Final answer
    x = 19,818.42

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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.