Home / 45,584.06-68,383.32-19,289

Finding the Fourth Proportional to 45,584.06, 68,383.32 and 19,289

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Solution

The fourth proportional to 45,584.06, 68,383.32 and 19,289 is: 28,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,584.06 : 68,383.32 = 19,289 : x
  2. Step 2: Convert to fraction form
    45,584.06/68,383.32 = 19,289/x
  3. Step 3: Cross multiply
    45,584.06x = 68,383.32 × 19,289
  4. Step 4: Simplify right side
    45,584.06x = 1,319,045,859.48
  5. Step 5: Solve for x
    x = 1,319,045,859.48/45,584.06
  6. Step 6: Final answer
    x = 28,936.56

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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.