Home / 49,805.78-68,730.20-27,144.30

Finding the Fourth Proportional to 49,805.78, 68,730.20 and 27,144.30

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Solution

The fourth proportional to 49,805.78, 68,730.20 and 27,144.30 is: 37,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.78 : 68,730.20 = 27,144.30 : x
  2. Step 2: Convert to fraction form
    49,805.78/68,730.20 = 27,144.30/x
  3. Step 3: Cross multiply
    49,805.78x = 68,730.20 × 27,144.30
  4. Step 4: Simplify right side
    49,805.78x = 1,865,633,032.14
  5. Step 5: Solve for x
    x = 1,865,633,032.14/49,805.78
  6. Step 6: Final answer
    x = 37,458.17

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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.