Home / 51,468.82-71,023.68-28,803.99

Finding the Fourth Proportional to 51,468.82, 71,023.68 and 28,803.99

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Solution

The fourth proportional to 51,468.82, 71,023.68 and 28,803.99 is: 39,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,468.82 : 71,023.68 = 28,803.99 : x
  2. Step 2: Convert to fraction form
    51,468.82/71,023.68 = 28,803.99/x
  3. Step 3: Cross multiply
    51,468.82x = 71,023.68 × 28,803.99
  4. Step 4: Simplify right side
    51,468.82x = 2,045,765,065.25
  5. Step 5: Solve for x
    x = 2,045,765,065.25/51,468.82
  6. Step 6: Final answer
    x = 39,747.66

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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.