Home / 43,469.24-65,203.34-13,886.68

Finding the Fourth Proportional to 43,469.24, 65,203.34 and 13,886.68

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Solution

The fourth proportional to 43,469.24, 65,203.34 and 13,886.68 is: 20,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469.24 : 65,203.34 = 13,886.68 : x
  2. Step 2: Convert to fraction form
    43,469.24/65,203.34 = 13,886.68/x
  3. Step 3: Cross multiply
    43,469.24x = 65,203.34 × 13,886.68
  4. Step 4: Simplify right side
    43,469.24x = 905,457,917.51
  5. Step 5: Solve for x
    x = 905,457,917.51/43,469.24
  6. Step 6: Final answer
    x = 20,829.85

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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.