Home / 49,939.62-68,915.12-27,278.25

Finding the Fourth Proportional to 49,939.62, 68,915.12 and 27,278.25

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Solution

The fourth proportional to 49,939.62, 68,915.12 and 27,278.25 is: 37,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.62 : 68,915.12 = 27,278.25 : x
  2. Step 2: Convert to fraction form
    49,939.62/68,915.12 = 27,278.25/x
  3. Step 3: Cross multiply
    49,939.62x = 68,915.12 × 27,278.25
  4. Step 4: Simplify right side
    49,939.62x = 1,879,883,735.75
  5. Step 5: Solve for x
    x = 1,879,883,735.75/49,939.62
  6. Step 6: Final answer
    x = 37,643.13

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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.