Home / 43,863.72-65,820.66-18,561.24

Finding the Fourth Proportional to 43,863.72, 65,820.66 and 18,561.24

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Solution

The fourth proportional to 43,863.72, 65,820.66 and 18,561.24 is: 27,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,863.72 : 65,820.66 = 18,561.24 : x
  2. Step 2: Convert to fraction form
    43,863.72/65,820.66 = 18,561.24/x
  3. Step 3: Cross multiply
    43,863.72x = 65,820.66 × 18,561.24
  4. Step 4: Simplify right side
    43,863.72x = 1,221,713,067.22
  5. Step 5: Solve for x
    x = 1,221,713,067.22/43,863.72
  6. Step 6: Final answer
    x = 27,852.47

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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.