Home / 39,168.16-54,052.32-22,173.28

Finding the Fourth Proportional to 39,168.16, 54,052.32 and 22,173.28

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Solution

The fourth proportional to 39,168.16, 54,052.32 and 22,173.28 is: 30,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.16 : 54,052.32 = 22,173.28 : x
  2. Step 2: Convert to fraction form
    39,168.16/54,052.32 = 22,173.28/x
  3. Step 3: Cross multiply
    39,168.16x = 54,052.32 × 22,173.28
  4. Step 4: Simplify right side
    39,168.16x = 1,198,517,226.01
  5. Step 5: Solve for x
    x = 1,198,517,226.01/39,168.16
  6. Step 6: Final answer
    x = 30,599.27

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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.