Home / 32,408.25-48,610.75-12,690.42

Finding the Fourth Proportional to 32,408.25, 48,610.75 and 12,690.42

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Solution

The fourth proportional to 32,408.25, 48,610.75 and 12,690.42 is: 19,034.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,408.25 : 48,610.75 = 12,690.42 : x
  2. Step 2: Convert to fraction form
    32,408.25/48,610.75 = 12,690.42/x
  3. Step 3: Cross multiply
    32,408.25x = 48,610.75 × 12,690.42
  4. Step 4: Simplify right side
    32,408.25x = 616,890,834.02
  5. Step 5: Solve for x
    x = 616,890,834.02/32,408.25
  6. Step 6: Final answer
    x = 19,034.99

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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.