Home / 30,254.31-45,383.63-8,067.57

Finding the Fourth Proportional to 30,254.31, 45,383.63 and 8,067.57

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Solution

The fourth proportional to 30,254.31, 45,383.63 and 8,067.57 is: 12,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.31 : 45,383.63 = 8,067.57 : x
  2. Step 2: Convert to fraction form
    30,254.31/45,383.63 = 8,067.57/x
  3. Step 3: Cross multiply
    30,254.31x = 45,383.63 × 8,067.57
  4. Step 4: Simplify right side
    30,254.31x = 366,135,611.88
  5. Step 5: Solve for x
    x = 366,135,611.88/30,254.31
  6. Step 6: Final answer
    x = 12,101.93

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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.