Home / 53,971.88-80,958.33-20,684.03

Finding the Fourth Proportional to 53,971.88, 80,958.33 and 20,684.03

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Solution

The fourth proportional to 53,971.88, 80,958.33 and 20,684.03 is: 31,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,971.88 : 80,958.33 = 20,684.03 : x
  2. Step 2: Convert to fraction form
    53,971.88/80,958.33 = 20,684.03/x
  3. Step 3: Cross multiply
    53,971.88x = 80,958.33 × 20,684.03
  4. Step 4: Simplify right side
    53,971.88x = 1,674,544,121.68
  5. Step 5: Solve for x
    x = 1,674,544,121.68/53,971.88
  6. Step 6: Final answer
    x = 31,026.24

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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.