Home / 30,067.93-45,089.43-11,344.78

Finding the Fourth Proportional to 30,067.93, 45,089.43 and 11,344.78

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Solution

The fourth proportional to 30,067.93, 45,089.43 and 11,344.78 is: 17,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.93 : 45,089.43 = 11,344.78 : x
  2. Step 2: Convert to fraction form
    30,067.93/45,089.43 = 11,344.78/x
  3. Step 3: Cross multiply
    30,067.93x = 45,089.43 × 11,344.78
  4. Step 4: Simplify right side
    30,067.93x = 511,529,663.68
  5. Step 5: Solve for x
    x = 511,529,663.68/30,067.93
  6. Step 6: Final answer
    x = 17,012.47

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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.