Home / 32,112.60-48,177.30-12,391.80

Finding the Fourth Proportional to 32,112.60, 48,177.30 and 12,391.80

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Solution

The fourth proportional to 32,112.60, 48,177.30 and 12,391.80 is: 18,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.60 : 48,177.30 = 12,391.80 : x
  2. Step 2: Convert to fraction form
    32,112.60/48,177.30 = 12,391.80/x
  3. Step 3: Cross multiply
    32,112.60x = 48,177.30 × 12,391.80
  4. Step 4: Simplify right side
    32,112.60x = 597,003,466.14
  5. Step 5: Solve for x
    x = 597,003,466.14/32,112.60
  6. Step 6: Final answer
    x = 18,590.94

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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.