Home / 31,402.62-47,091.87-12,676.14

Finding the Fourth Proportional to 31,402.62, 47,091.87 and 12,676.14

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Solution

The fourth proportional to 31,402.62, 47,091.87 and 12,676.14 is: 19,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.62 : 47,091.87 = 12,676.14 : x
  2. Step 2: Convert to fraction form
    31,402.62/47,091.87 = 12,676.14/x
  3. Step 3: Cross multiply
    31,402.62x = 47,091.87 × 12,676.14
  4. Step 4: Simplify right side
    31,402.62x = 596,943,136.98
  5. Step 5: Solve for x
    x = 596,943,136.98/31,402.62
  6. Step 6: Final answer
    x = 19,009.34

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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.