Home / 30,383.61-41,930.73-16,954.92

Finding the Fourth Proportional to 30,383.61, 41,930.73 and 16,954.92

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Solution

The fourth proportional to 30,383.61, 41,930.73 and 16,954.92 is: 23,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.61 : 41,930.73 = 16,954.92 : x
  2. Step 2: Convert to fraction form
    30,383.61/41,930.73 = 16,954.92/x
  3. Step 3: Cross multiply
    30,383.61x = 41,930.73 × 16,954.92
  4. Step 4: Simplify right side
    30,383.61x = 710,932,172.69
  5. Step 5: Solve for x
    x = 710,932,172.69/30,383.61
  6. Step 6: Final answer
    x = 23,398.54

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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.