Home / 33,137.52-49,723.56-13,430.64

Finding the Fourth Proportional to 33,137.52, 49,723.56 and 13,430.64

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Solution

The fourth proportional to 33,137.52, 49,723.56 and 13,430.64 is: 20,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.52 : 49,723.56 = 13,430.64 : x
  2. Step 2: Convert to fraction form
    33,137.52/49,723.56 = 13,430.64/x
  3. Step 3: Cross multiply
    33,137.52x = 49,723.56 × 13,430.64
  4. Step 4: Simplify right side
    33,137.52x = 667,819,233.88
  5. Step 5: Solve for x
    x = 667,819,233.88/33,137.52
  6. Step 6: Final answer
    x = 20,152.96

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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.