Home / 39,868.36-55,015.14-23,102.44

Finding the Fourth Proportional to 39,868.36, 55,015.14 and 23,102.44

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Solution

The fourth proportional to 39,868.36, 55,015.14 and 23,102.44 is: 31,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.36 : 55,015.14 = 23,102.44 : x
  2. Step 2: Convert to fraction form
    39,868.36/55,015.14 = 23,102.44/x
  3. Step 3: Cross multiply
    39,868.36x = 55,015.14 × 23,102.44
  4. Step 4: Simplify right side
    39,868.36x = 1,270,983,970.94
  5. Step 5: Solve for x
    x = 1,270,983,970.94/39,868.36
  6. Step 6: Final answer
    x = 31,879.51

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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.