Home / 43,816.47-65,739.98-13,835.34

Finding the Fourth Proportional to 43,816.47, 65,739.98 and 13,835.34

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Solution

The fourth proportional to 43,816.47, 65,739.98 and 13,835.34 is: 20,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.47 : 65,739.98 = 13,835.34 : x
  2. Step 2: Convert to fraction form
    43,816.47/65,739.98 = 13,835.34/x
  3. Step 3: Cross multiply
    43,816.47x = 65,739.98 × 13,835.34
  4. Step 4: Simplify right side
    43,816.47x = 909,534,905.72
  5. Step 5: Solve for x
    x = 909,534,905.72/43,816.47
  6. Step 6: Final answer
    x = 20,757.83

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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.