Home / 30,393.09-41,945.63-16,968.96

Finding the Fourth Proportional to 30,393.09, 41,945.63 and 16,968.96

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Solution

The fourth proportional to 30,393.09, 41,945.63 and 16,968.96 is: 23,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.09 : 41,945.63 = 16,968.96 : x
  2. Step 2: Convert to fraction form
    30,393.09/41,945.63 = 16,968.96/x
  3. Step 3: Cross multiply
    30,393.09x = 41,945.63 × 16,968.96
  4. Step 4: Simplify right side
    30,393.09x = 711,773,632.80
  5. Step 5: Solve for x
    x = 711,773,632.80/30,393.09
  6. Step 6: Final answer
    x = 23,418.93

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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.