Home / 30,067.02-45,111.06-9,290.52

Finding the Fourth Proportional to 30,067.02, 45,111.06 and 9,290.52

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Solution

The fourth proportional to 30,067.02, 45,111.06 and 9,290.52 is: 13,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.02 : 45,111.06 = 9,290.52 : x
  2. Step 2: Convert to fraction form
    30,067.02/45,111.06 = 9,290.52/x
  3. Step 3: Cross multiply
    30,067.02x = 45,111.06 × 9,290.52
  4. Step 4: Simplify right side
    30,067.02x = 419,105,205.15
  5. Step 5: Solve for x
    x = 419,105,205.15/30,067.02
  6. Step 6: Final answer
    x = 13,939.03

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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.