Home / 57,732.10-86,576.55-20,277.70

Finding the Fourth Proportional to 57,732.10, 86,576.55 and 20,277.70

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Solution

The fourth proportional to 57,732.10, 86,576.55 and 20,277.70 is: 30,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.10 : 86,576.55 = 20,277.70 : x
  2. Step 2: Convert to fraction form
    57,732.10/86,576.55 = 20,277.70/x
  3. Step 3: Cross multiply
    57,732.10x = 86,576.55 × 20,277.70
  4. Step 4: Simplify right side
    57,732.10x = 1,755,573,307.94
  5. Step 5: Solve for x
    x = 1,755,573,307.94/57,732.10
  6. Step 6: Final answer
    x = 30,408.96

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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.