Home / 38,408.28-57,624.30-19,701.60

Finding the Fourth Proportional to 38,408.28, 57,624.30 and 19,701.60

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Solution

The fourth proportional to 38,408.28, 57,624.30 and 19,701.60 is: 29,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.28 : 57,624.30 = 19,701.60 : x
  2. Step 2: Convert to fraction form
    38,408.28/57,624.30 = 19,701.60/x
  3. Step 3: Cross multiply
    38,408.28x = 57,624.30 × 19,701.60
  4. Step 4: Simplify right side
    38,408.28x = 1,135,290,908.88
  5. Step 5: Solve for x
    x = 1,135,290,908.88/38,408.28
  6. Step 6: Final answer
    x = 29,558.49

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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.