Home / 43,858.19-65,795.39-13,879.98

Finding the Fourth Proportional to 43,858.19, 65,795.39 and 13,879.98

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Solution

The fourth proportional to 43,858.19, 65,795.39 and 13,879.98 is: 20,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858.19 : 65,795.39 = 13,879.98 : x
  2. Step 2: Convert to fraction form
    43,858.19/65,795.39 = 13,879.98/x
  3. Step 3: Cross multiply
    43,858.19x = 65,795.39 × 13,879.98
  4. Step 4: Simplify right side
    43,858.19x = 913,238,679.94
  5. Step 5: Solve for x
    x = 913,238,679.94/43,858.19
  6. Step 6: Final answer
    x = 20,822.53

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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.