Home / 53,869.22-80,809.38-20,617.26

Finding the Fourth Proportional to 53,869.22, 80,809.38 and 20,617.26

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Solution

The fourth proportional to 53,869.22, 80,809.38 and 20,617.26 is: 30,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.22 : 80,809.38 = 20,617.26 : x
  2. Step 2: Convert to fraction form
    53,869.22/80,809.38 = 20,617.26/x
  3. Step 3: Cross multiply
    53,869.22x = 80,809.38 × 20,617.26
  4. Step 4: Simplify right side
    53,869.22x = 1,666,067,997.90
  5. Step 5: Solve for x
    x = 1,666,067,997.90/53,869.22
  6. Step 6: Final answer
    x = 30,928.01

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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.