Home / 49,523.72-74,284.86-19,940.80

Finding the Fourth Proportional to 49,523.72, 74,284.86 and 19,940.80

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Solution

The fourth proportional to 49,523.72, 74,284.86 and 19,940.80 is: 29,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,523.72 : 74,284.86 = 19,940.80 : x
  2. Step 2: Convert to fraction form
    49,523.72/74,284.86 = 19,940.80/x
  3. Step 3: Cross multiply
    49,523.72x = 74,284.86 × 19,940.80
  4. Step 4: Simplify right side
    49,523.72x = 1,481,299,536.29
  5. Step 5: Solve for x
    x = 1,481,299,536.29/49,523.72
  6. Step 6: Final answer
    x = 29,910.91

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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.