Home / 30,266.06-41,770.86-18,333.56

Finding the Fourth Proportional to 30,266.06, 41,770.86 and 18,333.56

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Solution

The fourth proportional to 30,266.06, 41,770.86 and 18,333.56 is: 25,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.06 : 41,770.86 = 18,333.56 : x
  2. Step 2: Convert to fraction form
    30,266.06/41,770.86 = 18,333.56/x
  3. Step 3: Cross multiply
    30,266.06x = 41,770.86 × 18,333.56
  4. Step 4: Simplify right side
    30,266.06x = 765,808,568.06
  5. Step 5: Solve for x
    x = 765,808,568.06/30,266.06
  6. Step 6: Final answer
    x = 25,302.55

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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.