Home / 33,651.81-46,438.90-18,338.49

Finding the Fourth Proportional to 33,651.81, 46,438.90 and 18,338.49

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Solution

The fourth proportional to 33,651.81, 46,438.90 and 18,338.49 is: 25,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,651.81 : 46,438.90 = 18,338.49 : x
  2. Step 2: Convert to fraction form
    33,651.81/46,438.90 = 18,338.49/x
  3. Step 3: Cross multiply
    33,651.81x = 46,438.90 × 18,338.49
  4. Step 4: Simplify right side
    33,651.81x = 851,619,439.60
  5. Step 5: Solve for x
    x = 851,619,439.60/33,651.81
  6. Step 6: Final answer
    x = 25,306.79

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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.