Home / 51,128.38-76,696.07-17,380.67

Finding the Fourth Proportional to 51,128.38, 76,696.07 and 17,380.67

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Solution

The fourth proportional to 51,128.38, 76,696.07 and 17,380.67 is: 26,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.38 : 76,696.07 = 17,380.67 : x
  2. Step 2: Convert to fraction form
    51,128.38/76,696.07 = 17,380.67/x
  3. Step 3: Cross multiply
    51,128.38x = 76,696.07 × 17,380.67
  4. Step 4: Simplify right side
    51,128.38x = 1,333,028,759.23
  5. Step 5: Solve for x
    x = 1,333,028,759.23/51,128.38
  6. Step 6: Final answer
    x = 26,072.19

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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.