Home / 51,493.25-71,051.28-28,832.60

Finding the Fourth Proportional to 51,493.25, 71,051.28 and 28,832.60

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Solution

The fourth proportional to 51,493.25, 71,051.28 and 28,832.60 is: 39,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,493.25 : 71,051.28 = 28,832.60 : x
  2. Step 2: Convert to fraction form
    51,493.25/71,051.28 = 28,832.60/x
  3. Step 3: Cross multiply
    51,493.25x = 71,051.28 × 28,832.60
  4. Step 4: Simplify right side
    51,493.25x = 2,048,593,135.73
  5. Step 5: Solve for x
    x = 2,048,593,135.73/51,493.25
  6. Step 6: Final answer
    x = 39,783.72

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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.