Home / 38,168.30-57,256.39-13,208.31

Finding the Fourth Proportional to 38,168.30, 57,256.39 and 13,208.31

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Solution

The fourth proportional to 38,168.30, 57,256.39 and 13,208.31 is: 19,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.30 : 57,256.39 = 13,208.31 : x
  2. Step 2: Convert to fraction form
    38,168.30/57,256.39 = 13,208.31/x
  3. Step 3: Cross multiply
    38,168.30x = 57,256.39 × 13,208.31
  4. Step 4: Simplify right side
    38,168.30x = 756,260,238.68
  5. Step 5: Solve for x
    x = 756,260,238.68/38,168.30
  6. Step 6: Final answer
    x = 19,813.83

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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.