Home / 47,576.98-71,408.75-21,276.82

Finding the Fourth Proportional to 47,576.98, 71,408.75 and 21,276.82

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Solution

The fourth proportional to 47,576.98, 71,408.75 and 21,276.82 is: 31,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,576.98 : 71,408.75 = 21,276.82 : x
  2. Step 2: Convert to fraction form
    47,576.98/71,408.75 = 21,276.82/x
  3. Step 3: Cross multiply
    47,576.98x = 71,408.75 × 21,276.82
  4. Step 4: Simplify right side
    47,576.98x = 1,519,351,120.18
  5. Step 5: Solve for x
    x = 1,519,351,120.18/47,576.98
  6. Step 6: Final answer
    x = 31,934.59

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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.