Home / 43,647.48-65,481.30-13,660.02

Finding the Fourth Proportional to 43,647.48, 65,481.30 and 13,660.02

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Solution

The fourth proportional to 43,647.48, 65,481.30 and 13,660.02 is: 20,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647.48 : 65,481.30 = 13,660.02 : x
  2. Step 2: Convert to fraction form
    43,647.48/65,481.30 = 13,660.02/x
  3. Step 3: Cross multiply
    43,647.48x = 65,481.30 × 13,660.02
  4. Step 4: Simplify right side
    43,647.48x = 894,475,867.63
  5. Step 5: Solve for x
    x = 894,475,867.63/43,647.48
  6. Step 6: Final answer
    x = 20,493.18

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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.