Home / 53,845.31-80,770.68-20,568.26

Finding the Fourth Proportional to 53,845.31, 80,770.68 and 20,568.26

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Solution

The fourth proportional to 53,845.31, 80,770.68 and 20,568.26 is: 30,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.31 : 80,770.68 = 20,568.26 : x
  2. Step 2: Convert to fraction form
    53,845.31/80,770.68 = 20,568.26/x
  3. Step 3: Cross multiply
    53,845.31x = 80,770.68 × 20,568.26
  4. Step 4: Simplify right side
    53,845.31x = 1,661,312,346.62
  5. Step 5: Solve for x
    x = 1,661,312,346.62/53,845.31
  6. Step 6: Final answer
    x = 30,853.43

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1.5x scale

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.