Home / 30,383.34-45,425.25-25,755.12

Finding the Fourth Proportional to 30,383.34, 45,425.25 and 25,755.12

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Solution

The fourth proportional to 30,383.34, 45,425.25 and 25,755.12 is: 38,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.34 : 45,425.25 = 25,755.12 : x
  2. Step 2: Convert to fraction form
    30,383.34/45,425.25 = 25,755.12/x
  3. Step 3: Cross multiply
    30,383.34x = 45,425.25 × 25,755.12
  4. Step 4: Simplify right side
    30,383.34x = 1,169,932,764.78
  5. Step 5: Solve for x
    x = 1,169,932,764.78/30,383.34
  6. Step 6: Final answer
    x = 38,505.73

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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.