Home / 65,539.30-98,309.21-19,947.44

Finding the Fourth Proportional to 65,539.30, 98,309.21 and 19,947.44

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Solution

The fourth proportional to 65,539.30, 98,309.21 and 19,947.44 is: 29,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,539.30 : 98,309.21 = 19,947.44 : x
  2. Step 2: Convert to fraction form
    65,539.30/98,309.21 = 19,947.44/x
  3. Step 3: Cross multiply
    65,539.30x = 98,309.21 × 19,947.44
  4. Step 4: Simplify right side
    65,539.30x = 1,961,017,067.92
  5. Step 5: Solve for x
    x = 1,961,017,067.92/65,539.30
  6. Step 6: Final answer
    x = 29,921.24

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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.