Home / 51,912.96-71,638.39-29,251.54

Finding the Fourth Proportional to 51,912.96, 71,638.39 and 29,251.54

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Solution

The fourth proportional to 51,912.96, 71,638.39 and 29,251.54 is: 40,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,912.96 : 71,638.39 = 29,251.54 : x
  2. Step 2: Convert to fraction form
    51,912.96/71,638.39 = 29,251.54/x
  3. Step 3: Cross multiply
    51,912.96x = 71,638.39 × 29,251.54
  4. Step 4: Simplify right side
    51,912.96x = 2,095,532,953.77
  5. Step 5: Solve for x
    x = 2,095,532,953.77/51,912.96
  6. Step 6: Final answer
    x = 40,366.28

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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.