Home / 30,169.31-41,606.37-18,839.84

Finding the Fourth Proportional to 30,169.31, 41,606.37 and 18,839.84

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Solution

The fourth proportional to 30,169.31, 41,606.37 and 18,839.84 is: 25,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.31 : 41,606.37 = 18,839.84 : x
  2. Step 2: Convert to fraction form
    30,169.31/41,606.37 = 18,839.84/x
  3. Step 3: Cross multiply
    30,169.31x = 41,606.37 × 18,839.84
  4. Step 4: Simplify right side
    30,169.31x = 783,857,145.75
  5. Step 5: Solve for x
    x = 783,857,145.75/30,169.31
  6. Step 6: Final answer
    x = 25,981.94

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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.