Home / 30,067.47-45,105.19-11,089.55

Finding the Fourth Proportional to 30,067.47, 45,105.19 and 11,089.55

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Solution

The fourth proportional to 30,067.47, 45,105.19 and 11,089.55 is: 16,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.47 : 45,105.19 = 11,089.55 : x
  2. Step 2: Convert to fraction form
    30,067.47/45,105.19 = 11,089.55/x
  3. Step 3: Cross multiply
    30,067.47x = 45,105.19 × 11,089.55
  4. Step 4: Simplify right side
    30,067.47x = 500,196,259.76
  5. Step 5: Solve for x
    x = 500,196,259.76/30,067.47
  6. Step 6: Final answer
    x = 16,635.79

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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.