Home / 42,067.43-63,065.75-19,566.68

Finding the Fourth Proportional to 42,067.43, 63,065.75 and 19,566.68

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Solution

The fourth proportional to 42,067.43, 63,065.75 and 19,566.68 is: 29,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,067.43 : 63,065.75 = 19,566.68 : x
  2. Step 2: Convert to fraction form
    42,067.43/63,065.75 = 19,566.68/x
  3. Step 3: Cross multiply
    42,067.43x = 63,065.75 × 19,566.68
  4. Step 4: Simplify right side
    42,067.43x = 1,233,987,033.88
  5. Step 5: Solve for x
    x = 1,233,987,033.88/42,067.43
  6. Step 6: Final answer
    x = 29,333.55

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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.