Home / 33,438.63-46,145.21-18,331.92

Finding the Fourth Proportional to 33,438.63, 46,145.21 and 18,331.92

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Solution

The fourth proportional to 33,438.63, 46,145.21 and 18,331.92 is: 25,297.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.63 : 46,145.21 = 18,331.92 : x
  2. Step 2: Convert to fraction form
    33,438.63/46,145.21 = 18,331.92/x
  3. Step 3: Cross multiply
    33,438.63x = 46,145.21 × 18,331.92
  4. Step 4: Simplify right side
    33,438.63x = 845,930,206.44
  5. Step 5: Solve for x
    x = 845,930,206.44/33,438.63
  6. Step 6: Final answer
    x = 25,297.99

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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.