Home / 49,855.16-74,760.85-18,668.54

Finding the Fourth Proportional to 49,855.16, 74,760.85 and 18,668.54

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Solution

The fourth proportional to 49,855.16, 74,760.85 and 18,668.54 is: 27,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.16 : 74,760.85 = 18,668.54 : x
  2. Step 2: Convert to fraction form
    49,855.16/74,760.85 = 18,668.54/x
  3. Step 3: Cross multiply
    49,855.16x = 74,760.85 × 18,668.54
  4. Step 4: Simplify right side
    49,855.16x = 1,395,676,058.89
  5. Step 5: Solve for x
    x = 1,395,676,058.89/49,855.16
  6. Step 6: Final answer
    x = 27,994.61

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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.