Home / 39,914.56-55,081.04-22,009.26

Finding the Fourth Proportional to 39,914.56, 55,081.04 and 22,009.26

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Solution

The fourth proportional to 39,914.56, 55,081.04 and 22,009.26 is: 30,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.56 : 55,081.04 = 22,009.26 : x
  2. Step 2: Convert to fraction form
    39,914.56/55,081.04 = 22,009.26/x
  3. Step 3: Cross multiply
    39,914.56x = 55,081.04 × 22,009.26
  4. Step 4: Simplify right side
    39,914.56x = 1,212,292,930.43
  5. Step 5: Solve for x
    x = 1,212,292,930.43/39,914.56
  6. Step 6: Final answer
    x = 30,372.20

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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.