Home / 30,067.41-45,142.83-18,941.25

Finding the Fourth Proportional to 30,067.41, 45,142.83 and 18,941.25

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Solution

The fourth proportional to 30,067.41, 45,142.83 and 18,941.25 is: 28,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.41 : 45,142.83 = 18,941.25 : x
  2. Step 2: Convert to fraction form
    30,067.41/45,142.83 = 18,941.25/x
  3. Step 3: Cross multiply
    30,067.41x = 45,142.83 × 18,941.25
  4. Step 4: Simplify right side
    30,067.41x = 855,061,628.74
  5. Step 5: Solve for x
    x = 855,061,628.74/30,067.41
  6. Step 6: Final answer
    x = 28,438.15

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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.