Home / 30,383.60-41,930.15-16,957.49

Finding the Fourth Proportional to 30,383.60, 41,930.15 and 16,957.49

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Solution

The fourth proportional to 30,383.60, 41,930.15 and 16,957.49 is: 23,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.60 : 41,930.15 = 16,957.49 : x
  2. Step 2: Convert to fraction form
    30,383.60/41,930.15 = 16,957.49/x
  3. Step 3: Cross multiply
    30,383.60x = 41,930.15 × 16,957.49
  4. Step 4: Simplify right side
    30,383.60x = 711,029,804.89
  5. Step 5: Solve for x
    x = 711,029,804.89/30,383.60
  6. Step 6: Final answer
    x = 23,401.77

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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.