Home / 39,800.96-54,924.92-21,896.00

Finding the Fourth Proportional to 39,800.96, 54,924.92 and 21,896.00

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Solution

The fourth proportional to 39,800.96, 54,924.92 and 21,896.00 is: 30,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,800.96 : 54,924.92 = 21,896.00 : x
  2. Step 2: Convert to fraction form
    39,800.96/54,924.92 = 21,896.00/x
  3. Step 3: Cross multiply
    39,800.96x = 54,924.92 × 21,896.00
  4. Step 4: Simplify right side
    39,800.96x = 1,202,635,664.22
  5. Step 5: Solve for x
    x = 1,202,635,664.22/39,800.96
  6. Step 6: Final answer
    x = 30,216.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.