Home / 47,048.82-70,579.80-13,771.29

Finding the Fourth Proportional to 47,048.82, 70,579.80 and 13,771.29

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Solution

The fourth proportional to 47,048.82, 70,579.80 and 13,771.29 is: 20,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,048.82 : 70,579.80 = 13,771.29 : x
  2. Step 2: Convert to fraction form
    47,048.82/70,579.80 = 13,771.29/x
  3. Step 3: Cross multiply
    47,048.82x = 70,579.80 × 13,771.29
  4. Step 4: Simplify right side
    47,048.82x = 971,974,893.94
  5. Step 5: Solve for x
    x = 971,974,893.94/47,048.82
  6. Step 6: Final answer
    x = 20,658.86

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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.