Home / 43,832.80-65,749.20-15,766.30

Finding the Fourth Proportional to 43,832.80, 65,749.20 and 15,766.30

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Solution

The fourth proportional to 43,832.80, 65,749.20 and 15,766.30 is: 23,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,832.80 : 65,749.20 = 15,766.30 : x
  2. Step 2: Convert to fraction form
    43,832.80/65,749.20 = 15,766.30/x
  3. Step 3: Cross multiply
    43,832.80x = 65,749.20 × 15,766.30
  4. Step 4: Simplify right side
    43,832.80x = 1,036,621,611.96
  5. Step 5: Solve for x
    x = 1,036,621,611.96/43,832.80
  6. Step 6: Final answer
    x = 23,649.45

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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.