Home / 30,540.35-45,803.37-17,219.09

Finding the Fourth Proportional to 30,540.35, 45,803.37 and 17,219.09

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Solution

The fourth proportional to 30,540.35, 45,803.37 and 17,219.09 is: 25,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.35 : 45,803.37 = 17,219.09 : x
  2. Step 2: Convert to fraction form
    30,540.35/45,803.37 = 17,219.09/x
  3. Step 3: Cross multiply
    30,540.35x = 45,803.37 × 17,219.09
  4. Step 4: Simplify right side
    30,540.35x = 788,692,350.33
  5. Step 5: Solve for x
    x = 788,692,350.33/30,540.35
  6. Step 6: Final answer
    x = 25,824.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.