Home / 51,177.92-70,625.36-28,517.88

Finding the Fourth Proportional to 51,177.92, 70,625.36 and 28,517.88

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Solution

The fourth proportional to 51,177.92, 70,625.36 and 28,517.88 is: 39,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,177.92 : 70,625.36 = 28,517.88 : x
  2. Step 2: Convert to fraction form
    51,177.92/70,625.36 = 28,517.88/x
  3. Step 3: Cross multiply
    51,177.92x = 70,625.36 × 28,517.88
  4. Step 4: Simplify right side
    51,177.92x = 2,014,085,541.44
  5. Step 5: Solve for x
    x = 2,014,085,541.44/51,177.92
  6. Step 6: Final answer
    x = 39,354.58

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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.