Home / 43,845.23-65,774.19-13,849.31

Finding the Fourth Proportional to 43,845.23, 65,774.19 and 13,849.31

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Solution

The fourth proportional to 43,845.23, 65,774.19 and 13,849.31 is: 20,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,845.23 : 65,774.19 = 13,849.31 : x
  2. Step 2: Convert to fraction form
    43,845.23/65,774.19 = 13,849.31/x
  3. Step 3: Cross multiply
    43,845.23x = 65,774.19 × 13,849.31
  4. Step 4: Simplify right side
    43,845.23x = 910,927,147.31
  5. Step 5: Solve for x
    x = 910,927,147.31/43,845.23
  6. Step 6: Final answer
    x = 20,775.97

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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.