Home / 51,231.20-76,846.80-47,586.20

Finding the Fourth Proportional to 51,231.20, 76,846.80 and 47,586.20

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Solution

The fourth proportional to 51,231.20, 76,846.80 and 47,586.20 is: 71,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.20 : 76,846.80 = 47,586.20 : x
  2. Step 2: Convert to fraction form
    51,231.20/76,846.80 = 47,586.20/x
  3. Step 3: Cross multiply
    51,231.20x = 76,846.80 × 47,586.20
  4. Step 4: Simplify right side
    51,231.20x = 3,656,847,194.16
  5. Step 5: Solve for x
    x = 3,656,847,194.16/51,231.20
  6. Step 6: Final answer
    x = 71,379.30

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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.