Home / 53,976.58-80,965.88-18,446.03

Finding the Fourth Proportional to 53,976.58, 80,965.88 and 18,446.03

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Solution

The fourth proportional to 53,976.58, 80,965.88 and 18,446.03 is: 27,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.58 : 80,965.88 = 18,446.03 : x
  2. Step 2: Convert to fraction form
    53,976.58/80,965.88 = 18,446.03/x
  3. Step 3: Cross multiply
    53,976.58x = 80,965.88 × 18,446.03
  4. Step 4: Simplify right side
    53,976.58x = 1,493,498,927.19
  5. Step 5: Solve for x
    x = 1,493,498,927.19/53,976.58
  6. Step 6: Final answer
    x = 27,669.39

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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.