Home / 30,250.18-41,739.26-18,314.63

Finding the Fourth Proportional to 30,250.18, 41,739.26 and 18,314.63

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Solution

The fourth proportional to 30,250.18, 41,739.26 and 18,314.63 is: 25,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.18 : 41,739.26 = 18,314.63 : x
  2. Step 2: Convert to fraction form
    30,250.18/41,739.26 = 18,314.63/x
  3. Step 3: Cross multiply
    30,250.18x = 41,739.26 × 18,314.63
  4. Step 4: Simplify right side
    30,250.18x = 764,439,103.37
  5. Step 5: Solve for x
    x = 764,439,103.37/30,250.18
  6. Step 6: Final answer
    x = 25,270.56

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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.