Home / 36,782.34-50,785.68-28,725.09

Finding the Fourth Proportional to 36,782.34, 50,785.68 and 28,725.09

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Solution

The fourth proportional to 36,782.34, 50,785.68 and 28,725.09 is: 39,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,782.34 : 50,785.68 = 28,725.09 : x
  2. Step 2: Convert to fraction form
    36,782.34/50,785.68 = 28,725.09/x
  3. Step 3: Cross multiply
    36,782.34x = 50,785.68 × 28,725.09
  4. Step 4: Simplify right side
    36,782.34x = 1,458,823,228.71
  5. Step 5: Solve for x
    x = 1,458,823,228.71/36,782.34
  6. Step 6: Final answer
    x = 39,660.97

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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.