Home / 30,650.73-45,974.84-10,664.79

Finding the Fourth Proportional to 30,650.73, 45,974.84 and 10,664.79

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Solution

The fourth proportional to 30,650.73, 45,974.84 and 10,664.79 is: 15,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650.73 : 45,974.84 = 10,664.79 : x
  2. Step 2: Convert to fraction form
    30,650.73/45,974.84 = 10,664.79/x
  3. Step 3: Cross multiply
    30,650.73x = 45,974.84 × 10,664.79
  4. Step 4: Simplify right side
    30,650.73x = 490,312,013.88
  5. Step 5: Solve for x
    x = 490,312,013.88/30,650.73
  6. Step 6: Final answer
    x = 15,996.75

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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.