Home / 51,086.16-76,626.90-13,645.44

Finding the Fourth Proportional to 51,086.16, 76,626.90 and 13,645.44

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Solution

The fourth proportional to 51,086.16, 76,626.90 and 13,645.44 is: 20,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086.16 : 76,626.90 = 13,645.44 : x
  2. Step 2: Convert to fraction form
    51,086.16/76,626.90 = 13,645.44/x
  3. Step 3: Cross multiply
    51,086.16x = 76,626.90 × 13,645.44
  4. Step 4: Simplify right side
    51,086.16x = 1,045,607,766.34
  5. Step 5: Solve for x
    x = 1,045,607,766.34/51,086.16
  6. Step 6: Final answer
    x = 20,467.53

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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.