Home / 49,799.70-68,721.59-27,138.21

Finding the Fourth Proportional to 49,799.70, 68,721.59 and 27,138.21

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Solution

The fourth proportional to 49,799.70, 68,721.59 and 27,138.21 is: 37,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,799.70 : 68,721.59 = 27,138.21 : x
  2. Step 2: Convert to fraction form
    49,799.70/68,721.59 = 27,138.21/x
  3. Step 3: Cross multiply
    49,799.70x = 68,721.59 × 27,138.21
  4. Step 4: Simplify right side
    49,799.70x = 1,864,980,611.98
  5. Step 5: Solve for x
    x = 1,864,980,611.98/49,799.70
  6. Step 6: Final answer
    x = 37,449.64

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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.