Home / 32,778.08-49,137.60-11,996.72

Finding the Fourth Proportional to 32,778.08, 49,137.60 and 11,996.72

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Solution

The fourth proportional to 32,778.08, 49,137.60 and 11,996.72 is: 17,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,778.08 : 49,137.60 = 11,996.72 : x
  2. Step 2: Convert to fraction form
    32,778.08/49,137.60 = 11,996.72/x
  3. Step 3: Cross multiply
    32,778.08x = 49,137.60 × 11,996.72
  4. Step 4: Simplify right side
    32,778.08x = 589,490,028.67
  5. Step 5: Solve for x
    x = 589,490,028.67/32,778.08
  6. Step 6: Final answer
    x = 17,984.28

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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.