Home / 39,334.21-54,281.57-22,338.80

Finding the Fourth Proportional to 39,334.21, 54,281.57 and 22,338.80

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Solution

The fourth proportional to 39,334.21, 54,281.57 and 22,338.80 is: 30,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,334.21 : 54,281.57 = 22,338.80 : x
  2. Step 2: Convert to fraction form
    39,334.21/54,281.57 = 22,338.80/x
  3. Step 3: Cross multiply
    39,334.21x = 54,281.57 × 22,338.80
  4. Step 4: Simplify right side
    39,334.21x = 1,212,585,135.92
  5. Step 5: Solve for x
    x = 1,212,585,135.92/39,334.21
  6. Step 6: Final answer
    x = 30,827.75

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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.