Home / 49,954.30-74,929.72-12,514.70

Finding the Fourth Proportional to 49,954.30, 74,929.72 and 12,514.70

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Solution

The fourth proportional to 49,954.30, 74,929.72 and 12,514.70 is: 18,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.30 : 74,929.72 = 12,514.70 : x
  2. Step 2: Convert to fraction form
    49,954.30/74,929.72 = 12,514.70/x
  3. Step 3: Cross multiply
    49,954.30x = 74,929.72 × 12,514.70
  4. Step 4: Simplify right side
    49,954.30x = 937,722,966.88
  5. Step 5: Solve for x
    x = 937,722,966.88/49,954.30
  6. Step 6: Final answer
    x = 18,771.62

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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.