Home / 43,180.22-64,742.50-18,213.59

Finding the Fourth Proportional to 43,180.22, 64,742.50 and 18,213.59

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Solution

The fourth proportional to 43,180.22, 64,742.50 and 18,213.59 is: 27,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.22 : 64,742.50 = 18,213.59 : x
  2. Step 2: Convert to fraction form
    43,180.22/64,742.50 = 18,213.59/x
  3. Step 3: Cross multiply
    43,180.22x = 64,742.50 × 18,213.59
  4. Step 4: Simplify right side
    43,180.22x = 1,179,193,049.63
  5. Step 5: Solve for x
    x = 1,179,193,049.63/43,180.22
  6. Step 6: Final answer
    x = 27,308.64

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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.