Home / 30,273.21-41,770.49-18,337.05

Finding the Fourth Proportional to 30,273.21, 41,770.49 and 18,337.05

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Solution

The fourth proportional to 30,273.21, 41,770.49 and 18,337.05 is: 25,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.21 : 41,770.49 = 18,337.05 : x
  2. Step 2: Convert to fraction form
    30,273.21/41,770.49 = 18,337.05/x
  3. Step 3: Cross multiply
    30,273.21x = 41,770.49 × 18,337.05
  4. Step 4: Simplify right side
    30,273.21x = 765,947,471.97
  5. Step 5: Solve for x
    x = 765,947,471.97/30,273.21
  6. Step 6: Final answer
    x = 25,301.16

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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.