Home / 51,576.76-77,376.48-16,519.96

Finding the Fourth Proportional to 51,576.76, 77,376.48 and 16,519.96

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Solution

The fourth proportional to 51,576.76, 77,376.48 and 16,519.96 is: 24,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.76 : 77,376.48 = 16,519.96 : x
  2. Step 2: Convert to fraction form
    51,576.76/77,376.48 = 16,519.96/x
  3. Step 3: Cross multiply
    51,576.76x = 77,376.48 × 16,519.96
  4. Step 4: Simplify right side
    51,576.76x = 1,278,256,354.54
  5. Step 5: Solve for x
    x = 1,278,256,354.54/51,576.76
  6. Step 6: Final answer
    x = 24,783.57

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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.