Home / 34,221.50-47,220.99-19,112.23

Finding the Fourth Proportional to 34,221.50, 47,220.99 and 19,112.23

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Solution

The fourth proportional to 34,221.50, 47,220.99 and 19,112.23 is: 26,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,221.50 : 47,220.99 = 19,112.23 : x
  2. Step 2: Convert to fraction form
    34,221.50/47,220.99 = 19,112.23/x
  3. Step 3: Cross multiply
    34,221.50x = 47,220.99 × 19,112.23
  4. Step 4: Simplify right side
    34,221.50x = 902,498,383.76
  5. Step 5: Solve for x
    x = 902,498,383.76/34,221.50
  6. Step 6: Final answer
    x = 26,372.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.