Home / 34,714.91-47,908.32-20,375.36

Finding the Fourth Proportional to 34,714.91, 47,908.32 and 20,375.36

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Solution

The fourth proportional to 34,714.91, 47,908.32 and 20,375.36 is: 28,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.91 : 47,908.32 = 20,375.36 : x
  2. Step 2: Convert to fraction form
    34,714.91/47,908.32 = 20,375.36/x
  3. Step 3: Cross multiply
    34,714.91x = 47,908.32 × 20,375.36
  4. Step 4: Simplify right side
    34,714.91x = 976,149,267.00
  5. Step 5: Solve for x
    x = 976,149,267.00/34,714.91
  6. Step 6: Final answer
    x = 28,119.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.