Home / 45,991.27-68,975.97-12,710.60

Finding the Fourth Proportional to 45,991.27, 68,975.97 and 12,710.60

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Solution

The fourth proportional to 45,991.27, 68,975.97 and 12,710.60 is: 19,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,991.27 : 68,975.97 = 12,710.60 : x
  2. Step 2: Convert to fraction form
    45,991.27/68,975.97 = 12,710.60/x
  3. Step 3: Cross multiply
    45,991.27x = 68,975.97 × 12,710.60
  4. Step 4: Simplify right side
    45,991.27x = 876,725,964.28
  5. Step 5: Solve for x
    x = 876,725,964.28/45,991.27
  6. Step 6: Final answer
    x = 19,062.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.