Home / 30,763.82-46,137.56-12,994.71

Finding the Fourth Proportional to 30,763.82, 46,137.56 and 12,994.71

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Solution

The fourth proportional to 30,763.82, 46,137.56 and 12,994.71 is: 19,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.82 : 46,137.56 = 12,994.71 : x
  2. Step 2: Convert to fraction form
    30,763.82/46,137.56 = 12,994.71/x
  3. Step 3: Cross multiply
    30,763.82x = 46,137.56 × 12,994.71
  4. Step 4: Simplify right side
    30,763.82x = 599,544,147.33
  5. Step 5: Solve for x
    x = 599,544,147.33/30,763.82
  6. Step 6: Final answer
    x = 19,488.62

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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.