Home / 30,254.32-45,383.64-8,067.58

Finding the Fourth Proportional to 30,254.32, 45,383.64 and 8,067.58

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Solution

The fourth proportional to 30,254.32, 45,383.64 and 8,067.58 is: 12,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.32 : 45,383.64 = 8,067.58 : x
  2. Step 2: Convert to fraction form
    30,254.32/45,383.64 = 8,067.58/x
  3. Step 3: Cross multiply
    30,254.32x = 45,383.64 × 8,067.58
  4. Step 4: Simplify right side
    30,254.32x = 366,136,146.39
  5. Step 5: Solve for x
    x = 366,136,146.39/30,254.32
  6. Step 6: Final answer
    x = 12,101.95

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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.