Home / 34,722.56-47,917.14-18,806.96

Finding the Fourth Proportional to 34,722.56, 47,917.14 and 18,806.96

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Solution

The fourth proportional to 34,722.56, 47,917.14 and 18,806.96 is: 25,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.56 : 47,917.14 = 18,806.96 : x
  2. Step 2: Convert to fraction form
    34,722.56/47,917.14 = 18,806.96/x
  3. Step 3: Cross multiply
    34,722.56x = 47,917.14 × 18,806.96
  4. Step 4: Simplify right side
    34,722.56x = 901,175,735.29
  5. Step 5: Solve for x
    x = 901,175,735.29/34,722.56
  6. Step 6: Final answer
    x = 25,953.61

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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.