Home / 51,286-76,941.98-15,749.08

Finding the Fourth Proportional to 51,286, 76,941.98 and 15,749.08

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Solution

The fourth proportional to 51,286, 76,941.98 and 15,749.08 is: 23,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286 : 76,941.98 = 15,749.08 : x
  2. Step 2: Convert to fraction form
    51,286/76,941.98 = 15,749.08/x
  3. Step 3: Cross multiply
    51,286x = 76,941.98 × 15,749.08
  4. Step 4: Simplify right side
    51,286x = 1,211,765,398.38
  5. Step 5: Solve for x
    x = 1,211,765,398.38/51,286
  6. Step 6: Final answer
    x = 23,627.61

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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.