Home / 51,204.40-76,855.20-43,817.20

Finding the Fourth Proportional to 51,204.40, 76,855.20 and 43,817.20

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Solution

The fourth proportional to 51,204.40, 76,855.20 and 43,817.20 is: 65,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.40 : 76,855.20 = 43,817.20 : x
  2. Step 2: Convert to fraction form
    51,204.40/76,855.20 = 43,817.20/x
  3. Step 3: Cross multiply
    51,204.40x = 76,855.20 × 43,817.20
  4. Step 4: Simplify right side
    51,204.40x = 3,367,579,669.44
  5. Step 5: Solve for x
    x = 3,367,579,669.44/51,204.40
  6. Step 6: Final answer
    x = 65,767.39

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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.