Home / 30,996.73-42,775.45-16,849.68

Finding the Fourth Proportional to 30,996.73, 42,775.45 and 16,849.68

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Solution

The fourth proportional to 30,996.73, 42,775.45 and 16,849.68 is: 23,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.73 : 42,775.45 = 16,849.68 : x
  2. Step 2: Convert to fraction form
    30,996.73/42,775.45 = 16,849.68/x
  3. Step 3: Cross multiply
    30,996.73x = 42,775.45 × 16,849.68
  4. Step 4: Simplify right side
    30,996.73x = 720,752,644.36
  5. Step 5: Solve for x
    x = 720,752,644.36/30,996.73
  6. Step 6: Final answer
    x = 23,252.54

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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.