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Finding the Fourth Proportional to 29,714.90, 44,579.07 and 9,992.91

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Solution

The fourth proportional to 29,714.90, 44,579.07 and 9,992.91 is: 14,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,714.90 : 44,579.07 = 9,992.91 : x
  2. Step 2: Convert to fraction form
    29,714.90/44,579.07 = 9,992.91/x
  3. Step 3: Cross multiply
    29,714.90x = 44,579.07 × 9,992.91
  4. Step 4: Simplify right side
    29,714.90x = 445,474,634.39
  5. Step 5: Solve for x
    x = 445,474,634.39/29,714.90
  6. Step 6: Final answer
    x = 14,991.63

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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.