Home / 53,291.44-79,928.20-19,550.48

Finding the Fourth Proportional to 53,291.44, 79,928.20 and 19,550.48

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Solution

The fourth proportional to 53,291.44, 79,928.20 and 19,550.48 is: 29,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.44 : 79,928.20 = 19,550.48 : x
  2. Step 2: Convert to fraction form
    53,291.44/79,928.20 = 19,550.48/x
  3. Step 3: Cross multiply
    53,291.44x = 79,928.20 × 19,550.48
  4. Step 4: Simplify right side
    53,291.44x = 1,562,634,675.54
  5. Step 5: Solve for x
    x = 1,562,634,675.54/53,291.44
  6. Step 6: Final answer
    x = 29,322.43

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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.