Home / 43,905.97-65,858.96-20,548.81

Finding the Fourth Proportional to 43,905.97, 65,858.96 and 20,548.81

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Solution

The fourth proportional to 43,905.97, 65,858.96 and 20,548.81 is: 30,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.97 : 65,858.96 = 20,548.81 : x
  2. Step 2: Convert to fraction form
    43,905.97/65,858.96 = 20,548.81/x
  3. Step 3: Cross multiply
    43,905.97x = 65,858.96 × 20,548.81
  4. Step 4: Simplify right side
    43,905.97x = 1,353,323,255.84
  5. Step 5: Solve for x
    x = 1,353,323,255.84/43,905.97
  6. Step 6: Final answer
    x = 30,823.22

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Similar ratio
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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.