Home / 30,040.49-45,067.20-8,982.20

Finding the Fourth Proportional to 30,040.49, 45,067.20 and 8,982.20

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Solution

The fourth proportional to 30,040.49, 45,067.20 and 8,982.20 is: 13,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.49 : 45,067.20 = 8,982.20 : x
  2. Step 2: Convert to fraction form
    30,040.49/45,067.20 = 8,982.20/x
  3. Step 3: Cross multiply
    30,040.49x = 45,067.20 × 8,982.20
  4. Step 4: Simplify right side
    30,040.49x = 404,802,603.84
  5. Step 5: Solve for x
    x = 404,802,603.84/30,040.49
  6. Step 6: Final answer
    x = 13,475.23

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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.