Home / 51,629.52-71,244.54-28,965.45

Finding the Fourth Proportional to 51,629.52, 71,244.54 and 28,965.45

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Solution

The fourth proportional to 51,629.52, 71,244.54 and 28,965.45 is: 39,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,629.52 : 71,244.54 = 28,965.45 : x
  2. Step 2: Convert to fraction form
    51,629.52/71,244.54 = 28,965.45/x
  3. Step 3: Cross multiply
    51,629.52x = 71,244.54 × 28,965.45
  4. Step 4: Simplify right side
    51,629.52x = 2,063,630,161.14
  5. Step 5: Solve for x
    x = 2,063,630,161.14/51,629.52
  6. Step 6: Final answer
    x = 39,969.97

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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.