Home / 51,172.38-76,765.57-17,884.73

Finding the Fourth Proportional to 51,172.38, 76,765.57 and 17,884.73

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Solution

The fourth proportional to 51,172.38, 76,765.57 and 17,884.73 is: 26,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,172.38 : 76,765.57 = 17,884.73 : x
  2. Step 2: Convert to fraction form
    51,172.38/76,765.57 = 17,884.73/x
  3. Step 3: Cross multiply
    51,172.38x = 76,765.57 × 17,884.73
  4. Step 4: Simplify right side
    51,172.38x = 1,372,931,639.95
  5. Step 5: Solve for x
    x = 1,372,931,639.95/51,172.38
  6. Step 6: Final answer
    x = 26,829.54

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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.