Home / 30,067.02-45,107.19-9,006.21

Finding the Fourth Proportional to 30,067.02, 45,107.19 and 9,006.21

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Solution

The fourth proportional to 30,067.02, 45,107.19 and 9,006.21 is: 13,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.02 : 45,107.19 = 9,006.21 : x
  2. Step 2: Convert to fraction form
    30,067.02/45,107.19 = 9,006.21/x
  3. Step 3: Cross multiply
    30,067.02x = 45,107.19 × 9,006.21
  4. Step 4: Simplify right side
    30,067.02x = 406,244,825.65
  5. Step 5: Solve for x
    x = 406,244,825.65/30,067.02
  6. Step 6: Final answer
    x = 13,511.31

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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.