Home / 47,144.43-70,709.36-13,858.29

Finding the Fourth Proportional to 47,144.43, 70,709.36 and 13,858.29

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Solution

The fourth proportional to 47,144.43, 70,709.36 and 13,858.29 is: 20,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,144.43 : 70,709.36 = 13,858.29 : x
  2. Step 2: Convert to fraction form
    47,144.43/70,709.36 = 13,858.29/x
  3. Step 3: Cross multiply
    47,144.43x = 70,709.36 × 13,858.29
  4. Step 4: Simplify right side
    47,144.43x = 979,910,747.30
  5. Step 5: Solve for x
    x = 979,910,747.30/47,144.43
  6. Step 6: Final answer
    x = 20,785.29

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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.