Home / 51,982.64-77,982.12-22,408.80

Finding the Fourth Proportional to 51,982.64, 77,982.12 and 22,408.80

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Solution

The fourth proportional to 51,982.64, 77,982.12 and 22,408.80 is: 33,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,982.64 : 77,982.12 = 22,408.80 : x
  2. Step 2: Convert to fraction form
    51,982.64/77,982.12 = 22,408.80/x
  3. Step 3: Cross multiply
    51,982.64x = 77,982.12 × 22,408.80
  4. Step 4: Simplify right side
    51,982.64x = 1,747,485,730.66
  5. Step 5: Solve for x
    x = 1,747,485,730.66/51,982.64
  6. Step 6: Final answer
    x = 33,616.72

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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.