Home / 43,868.96-65,832.60-20,497.22

Finding the Fourth Proportional to 43,868.96, 65,832.60 and 20,497.22

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Solution

The fourth proportional to 43,868.96, 65,832.60 and 20,497.22 is: 30,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,868.96 : 65,832.60 = 20,497.22 : x
  2. Step 2: Convert to fraction form
    43,868.96/65,832.60 = 20,497.22/x
  3. Step 3: Cross multiply
    43,868.96x = 65,832.60 × 20,497.22
  4. Step 4: Simplify right side
    43,868.96x = 1,349,385,285.37
  5. Step 5: Solve for x
    x = 1,349,385,285.37/43,868.96
  6. Step 6: Final answer
    x = 30,759.45

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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.