Home / 51,627.41-71,245.36-28,965.90

Finding the Fourth Proportional to 51,627.41, 71,245.36 and 28,965.90

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Solution

The fourth proportional to 51,627.41, 71,245.36 and 28,965.90 is: 39,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.41 : 71,245.36 = 28,965.90 : x
  2. Step 2: Convert to fraction form
    51,627.41/71,245.36 = 28,965.90/x
  3. Step 3: Cross multiply
    51,627.41x = 71,245.36 × 28,965.90
  4. Step 4: Simplify right side
    51,627.41x = 2,063,685,973.22
  5. Step 5: Solve for x
    x = 2,063,685,973.22/51,627.41
  6. Step 6: Final answer
    x = 39,972.68

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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.