Home / 43,465.41-65,190.83-19,765.62

Finding the Fourth Proportional to 43,465.41, 65,190.83 and 19,765.62

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Solution

The fourth proportional to 43,465.41, 65,190.83 and 19,765.62 is: 29,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.41 : 65,190.83 = 19,765.62 : x
  2. Step 2: Convert to fraction form
    43,465.41/65,190.83 = 19,765.62/x
  3. Step 3: Cross multiply
    43,465.41x = 65,190.83 × 19,765.62
  4. Step 4: Simplify right side
    43,465.41x = 1,288,537,074.44
  5. Step 5: Solve for x
    x = 1,288,537,074.44/43,465.41
  6. Step 6: Final answer
    x = 29,645.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.