Home / 43,889.48-65,844.11-13,905.53

Finding the Fourth Proportional to 43,889.48, 65,844.11 and 13,905.53

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Solution

The fourth proportional to 43,889.48, 65,844.11 and 13,905.53 is: 20,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889.48 : 65,844.11 = 13,905.53 : x
  2. Step 2: Convert to fraction form
    43,889.48/65,844.11 = 13,905.53/x
  3. Step 3: Cross multiply
    43,889.48x = 65,844.11 × 13,905.53
  4. Step 4: Simplify right side
    43,889.48x = 915,597,342.01
  5. Step 5: Solve for x
    x = 915,597,342.01/43,889.48
  6. Step 6: Final answer
    x = 20,861.43

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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.