Home / 30,386.33-41,933.93-16,957.54

Finding the Fourth Proportional to 30,386.33, 41,933.93 and 16,957.54

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Solution

The fourth proportional to 30,386.33, 41,933.93 and 16,957.54 is: 23,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.33 : 41,933.93 = 16,957.54 : x
  2. Step 2: Convert to fraction form
    30,386.33/41,933.93 = 16,957.54/x
  3. Step 3: Cross multiply
    30,386.33x = 41,933.93 × 16,957.54
  4. Step 4: Simplify right side
    30,386.33x = 711,096,295.33
  5. Step 5: Solve for x
    x = 711,096,295.33/30,386.33
  6. Step 6: Final answer
    x = 23,401.85

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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.