Home / 43,388.82-65,082-13,808.43

Finding the Fourth Proportional to 43,388.82, 65,082 and 13,808.43

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Solution

The fourth proportional to 43,388.82, 65,082 and 13,808.43 is: 20,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,388.82 : 65,082 = 13,808.43 : x
  2. Step 2: Convert to fraction form
    43,388.82/65,082 = 13,808.43/x
  3. Step 3: Cross multiply
    43,388.82x = 65,082 × 13,808.43
  4. Step 4: Simplify right side
    43,388.82x = 898,680,241.26
  5. Step 5: Solve for x
    x = 898,680,241.26/43,388.82
  6. Step 6: Final answer
    x = 20,712.25

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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.