Home / 39,907.51-55,074.83-22,002.48

Finding the Fourth Proportional to 39,907.51, 55,074.83 and 22,002.48

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Solution

The fourth proportional to 39,907.51, 55,074.83 and 22,002.48 is: 30,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.51 : 55,074.83 = 22,002.48 : x
  2. Step 2: Convert to fraction form
    39,907.51/55,074.83 = 22,002.48/x
  3. Step 3: Cross multiply
    39,907.51x = 55,074.83 × 22,002.48
  4. Step 4: Simplify right side
    39,907.51x = 1,211,782,845.58
  5. Step 5: Solve for x
    x = 1,211,782,845.58/39,907.51
  6. Step 6: Final answer
    x = 30,364.78

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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.