Home / 34,736.90-47,936.97-18,821.35

Finding the Fourth Proportional to 34,736.90, 47,936.97 and 18,821.35

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Solution

The fourth proportional to 34,736.90, 47,936.97 and 18,821.35 is: 25,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,736.90 : 47,936.97 = 18,821.35 : x
  2. Step 2: Convert to fraction form
    34,736.90/47,936.97 = 18,821.35/x
  3. Step 3: Cross multiply
    34,736.90x = 47,936.97 × 18,821.35
  4. Step 4: Simplify right side
    34,736.90x = 902,238,156.52
  5. Step 5: Solve for x
    x = 902,238,156.52/34,736.90
  6. Step 6: Final answer
    x = 25,973.48

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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.