Home / 47,926.53-71,921.79-16,761.78

Finding the Fourth Proportional to 47,926.53, 71,921.79 and 16,761.78

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Solution

The fourth proportional to 47,926.53, 71,921.79 and 16,761.78 is: 25,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.53 : 71,921.79 = 16,761.78 : x
  2. Step 2: Convert to fraction form
    47,926.53/71,921.79 = 16,761.78/x
  3. Step 3: Cross multiply
    47,926.53x = 71,921.79 × 16,761.78
  4. Step 4: Simplify right side
    47,926.53x = 1,205,537,221.19
  5. Step 5: Solve for x
    x = 1,205,537,221.19/47,926.53
  6. Step 6: Final answer
    x = 25,153.86

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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.