Home / 34,124.27-51,186.56-18,640.31

Finding the Fourth Proportional to 34,124.27, 51,186.56 and 18,640.31

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Solution

The fourth proportional to 34,124.27, 51,186.56 and 18,640.31 is: 27,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,124.27 : 51,186.56 = 18,640.31 : x
  2. Step 2: Convert to fraction form
    34,124.27/51,186.56 = 18,640.31/x
  3. Step 3: Cross multiply
    34,124.27x = 51,186.56 × 18,640.31
  4. Step 4: Simplify right side
    34,124.27x = 954,132,997.10
  5. Step 5: Solve for x
    x = 954,132,997.10/34,124.27
  6. Step 6: Final answer
    x = 27,960.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.