Home / 33,919.68-46,811.55-18,813.78

Finding the Fourth Proportional to 33,919.68, 46,811.55 and 18,813.78

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Solution

The fourth proportional to 33,919.68, 46,811.55 and 18,813.78 is: 25,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.68 : 46,811.55 = 18,813.78 : x
  2. Step 2: Convert to fraction form
    33,919.68/46,811.55 = 18,813.78/x
  3. Step 3: Cross multiply
    33,919.68x = 46,811.55 × 18,813.78
  4. Step 4: Simplify right side
    33,919.68x = 880,702,203.16
  5. Step 5: Solve for x
    x = 880,702,203.16/33,919.68
  6. Step 6: Final answer
    x = 25,964.34

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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.