Home / 51,908.20-71,633.32-28,034.88

Finding the Fourth Proportional to 51,908.20, 71,633.32 and 28,034.88

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Solution

The fourth proportional to 51,908.20, 71,633.32 and 28,034.88 is: 38,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,908.20 : 71,633.32 = 28,034.88 : x
  2. Step 2: Convert to fraction form
    51,908.20/71,633.32 = 28,034.88/x
  3. Step 3: Cross multiply
    51,908.20x = 71,633.32 × 28,034.88
  4. Step 4: Simplify right side
    51,908.20x = 2,008,231,530.20
  5. Step 5: Solve for x
    x = 2,008,231,530.20/51,908.20
  6. Step 6: Final answer
    x = 38,688.14

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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.