Home / 43,878.17-65,757.62-18,556.64

Finding the Fourth Proportional to 43,878.17, 65,757.62 and 18,556.64

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Solution

The fourth proportional to 43,878.17, 65,757.62 and 18,556.64 is: 27,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,878.17 : 65,757.62 = 18,556.64 : x
  2. Step 2: Convert to fraction form
    43,878.17/65,757.62 = 18,556.64/x
  3. Step 3: Cross multiply
    43,878.17x = 65,757.62 × 18,556.64
  4. Step 4: Simplify right side
    43,878.17x = 1,220,240,060.03
  5. Step 5: Solve for x
    x = 1,220,240,060.03/43,878.17
  6. Step 6: Final answer
    x = 27,809.73

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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.