Home / 34,212.98-47,213.44-19,105.92

Finding the Fourth Proportional to 34,212.98, 47,213.44 and 19,105.92

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Solution

The fourth proportional to 34,212.98, 47,213.44 and 19,105.92 is: 26,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,212.98 : 47,213.44 = 19,105.92 : x
  2. Step 2: Convert to fraction form
    34,212.98/47,213.44 = 19,105.92/x
  3. Step 3: Cross multiply
    34,212.98x = 47,213.44 × 19,105.92
  4. Step 4: Simplify right side
    34,212.98x = 902,056,159.80
  5. Step 5: Solve for x
    x = 902,056,159.80/34,212.98
  6. Step 6: Final answer
    x = 26,365.90

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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.