Home / 43,611.21-65,373.08-20,254.05

Finding the Fourth Proportional to 43,611.21, 65,373.08 and 20,254.05

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Solution

The fourth proportional to 43,611.21, 65,373.08 and 20,254.05 is: 30,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.21 : 65,373.08 = 20,254.05 : x
  2. Step 2: Convert to fraction form
    43,611.21/65,373.08 = 20,254.05/x
  3. Step 3: Cross multiply
    43,611.21x = 65,373.08 × 20,254.05
  4. Step 4: Simplify right side
    43,611.21x = 1,324,069,529.70
  5. Step 5: Solve for x
    x = 1,324,069,529.70/43,611.21
  6. Step 6: Final answer
    x = 30,360.76

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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.