Home / 49,239.12-73,858.80-19,659.36

Finding the Fourth Proportional to 49,239.12, 73,858.80 and 19,659.36

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Solution

The fourth proportional to 49,239.12, 73,858.80 and 19,659.36 is: 29,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239.12 : 73,858.80 = 19,659.36 : x
  2. Step 2: Convert to fraction form
    49,239.12/73,858.80 = 19,659.36/x
  3. Step 3: Cross multiply
    49,239.12x = 73,858.80 × 19,659.36
  4. Step 4: Simplify right side
    49,239.12x = 1,452,016,738.37
  5. Step 5: Solve for x
    x = 1,452,016,738.37/49,239.12
  6. Step 6: Final answer
    x = 29,489.09

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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.