Home / 40,489.84-55,911.16-25,408.66

Finding the Fourth Proportional to 40,489.84, 55,911.16 and 25,408.66

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Solution

The fourth proportional to 40,489.84, 55,911.16 and 25,408.66 is: 35,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.84 : 55,911.16 = 25,408.66 : x
  2. Step 2: Convert to fraction form
    40,489.84/55,911.16 = 25,408.66/x
  3. Step 3: Cross multiply
    40,489.84x = 55,911.16 × 25,408.66
  4. Step 4: Simplify right side
    40,489.84x = 1,420,627,654.65
  5. Step 5: Solve for x
    x = 1,420,627,654.65/40,489.84
  6. Step 6: Final answer
    x = 35,086.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.