Home / 43,451.44-65,175.76-13,871.08

Finding the Fourth Proportional to 43,451.44, 65,175.76 and 13,871.08

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Solution

The fourth proportional to 43,451.44, 65,175.76 and 13,871.08 is: 20,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451.44 : 65,175.76 = 13,871.08 : x
  2. Step 2: Convert to fraction form
    43,451.44/65,175.76 = 13,871.08/x
  3. Step 3: Cross multiply
    43,451.44x = 65,175.76 × 13,871.08
  4. Step 4: Simplify right side
    43,451.44x = 904,058,181.02
  5. Step 5: Solve for x
    x = 904,058,181.02/43,451.44
  6. Step 6: Final answer
    x = 20,806.17

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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.