Home / 49,695.75-74,544.02-18,128.43

Finding the Fourth Proportional to 49,695.75, 74,544.02 and 18,128.43

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Solution

The fourth proportional to 49,695.75, 74,544.02 and 18,128.43 is: 27,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,695.75 : 74,544.02 = 18,128.43 : x
  2. Step 2: Convert to fraction form
    49,695.75/74,544.02 = 18,128.43/x
  3. Step 3: Cross multiply
    49,695.75x = 74,544.02 × 18,128.43
  4. Step 4: Simplify right side
    49,695.75x = 1,351,366,048.49
  5. Step 5: Solve for x
    x = 1,351,366,048.49/49,695.75
  6. Step 6: Final answer
    x = 27,192.79

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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.