Home / 53,726.45-80,558.19-20,448.96

Finding the Fourth Proportional to 53,726.45, 80,558.19 and 20,448.96

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Solution

The fourth proportional to 53,726.45, 80,558.19 and 20,448.96 is: 30,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.45 : 80,558.19 = 20,448.96 : x
  2. Step 2: Convert to fraction form
    53,726.45/80,558.19 = 20,448.96/x
  3. Step 3: Cross multiply
    53,726.45x = 80,558.19 × 20,448.96
  4. Step 4: Simplify right side
    53,726.45x = 1,647,331,204.98
  5. Step 5: Solve for x
    x = 1,647,331,204.98/53,726.45
  6. Step 6: Final answer
    x = 30,661.46

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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.