Home / 33,871.55-46,742.72-18,765.19

Finding the Fourth Proportional to 33,871.55, 46,742.72 and 18,765.19

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Solution

The fourth proportional to 33,871.55, 46,742.72 and 18,765.19 is: 25,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,871.55 : 46,742.72 = 18,765.19 : x
  2. Step 2: Convert to fraction form
    33,871.55/46,742.72 = 18,765.19/x
  3. Step 3: Cross multiply
    33,871.55x = 46,742.72 × 18,765.19
  4. Step 4: Simplify right side
    33,871.55x = 877,135,788.20
  5. Step 5: Solve for x
    x = 877,135,788.20/33,871.55
  6. Step 6: Final answer
    x = 25,895.95

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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.