Home / 39,900.25-55,021.44-26,291.85

Finding the Fourth Proportional to 39,900.25, 55,021.44 and 26,291.85

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Solution

The fourth proportional to 39,900.25, 55,021.44 and 26,291.85 is: 36,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.25 : 55,021.44 = 26,291.85 : x
  2. Step 2: Convert to fraction form
    39,900.25/55,021.44 = 26,291.85/x
  3. Step 3: Cross multiply
    39,900.25x = 55,021.44 × 26,291.85
  4. Step 4: Simplify right side
    39,900.25x = 1,446,615,447.26
  5. Step 5: Solve for x
    x = 1,446,615,447.26/39,900.25
  6. Step 6: Final answer
    x = 36,255.80

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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.