Home / 39,218.84-54,121.83-22,226.32

Finding the Fourth Proportional to 39,218.84, 54,121.83 and 22,226.32

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Solution

The fourth proportional to 39,218.84, 54,121.83 and 22,226.32 is: 30,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218.84 : 54,121.83 = 22,226.32 : x
  2. Step 2: Convert to fraction form
    39,218.84/54,121.83 = 22,226.32/x
  3. Step 3: Cross multiply
    39,218.84x = 54,121.83 × 22,226.32
  4. Step 4: Simplify right side
    39,218.84x = 1,202,928,977.26
  5. Step 5: Solve for x
    x = 1,202,928,977.26/39,218.84
  6. Step 6: Final answer
    x = 30,672.23

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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.