Home / 54,236.52-81,365.72-19,200.78

Finding the Fourth Proportional to 54,236.52, 81,365.72 and 19,200.78

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Solution

The fourth proportional to 54,236.52, 81,365.72 and 19,200.78 is: 28,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.52 : 81,365.72 = 19,200.78 : x
  2. Step 2: Convert to fraction form
    54,236.52/81,365.72 = 19,200.78/x
  3. Step 3: Cross multiply
    54,236.52x = 81,365.72 × 19,200.78
  4. Step 4: Simplify right side
    54,236.52x = 1,562,285,193.26
  5. Step 5: Solve for x
    x = 1,562,285,193.26/54,236.52
  6. Step 6: Final answer
    x = 28,805.04

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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.