Home / 32,420.45-44,751.39-18,996.05

Finding the Fourth Proportional to 32,420.45, 44,751.39 and 18,996.05

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Solution

The fourth proportional to 32,420.45, 44,751.39 and 18,996.05 is: 26,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.45 : 44,751.39 = 18,996.05 : x
  2. Step 2: Convert to fraction form
    32,420.45/44,751.39 = 18,996.05/x
  3. Step 3: Cross multiply
    32,420.45x = 44,751.39 × 18,996.05
  4. Step 4: Simplify right side
    32,420.45x = 850,099,682.65
  5. Step 5: Solve for x
    x = 850,099,682.65/32,420.45
  6. Step 6: Final answer
    x = 26,221.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.