Home / 39,664.68-54,774.30-25,542.36

Finding the Fourth Proportional to 39,664.68, 54,774.30 and 25,542.36

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Solution

The fourth proportional to 39,664.68, 54,774.30 and 25,542.36 is: 35,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,664.68 : 54,774.30 = 25,542.36 : x
  2. Step 2: Convert to fraction form
    39,664.68/54,774.30 = 25,542.36/x
  3. Step 3: Cross multiply
    39,664.68x = 54,774.30 × 25,542.36
  4. Step 4: Simplify right side
    39,664.68x = 1,399,064,889.35
  5. Step 5: Solve for x
    x = 1,399,064,889.35/39,664.68
  6. Step 6: Final answer
    x = 35,272.31

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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.