Home / 30,067.93-41,493.12-16,639.18

Finding the Fourth Proportional to 30,067.93, 41,493.12 and 16,639.18

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Solution

The fourth proportional to 30,067.93, 41,493.12 and 16,639.18 is: 22,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.93 : 41,493.12 = 16,639.18 : x
  2. Step 2: Convert to fraction form
    30,067.93/41,493.12 = 16,639.18/x
  3. Step 3: Cross multiply
    30,067.93x = 41,493.12 × 16,639.18
  4. Step 4: Simplify right side
    30,067.93x = 690,411,388.71
  5. Step 5: Solve for x
    x = 690,411,388.71/30,067.93
  6. Step 6: Final answer
    x = 22,961.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.