Home / 51,198.35-70,659.41-28,539.41

Finding the Fourth Proportional to 51,198.35, 70,659.41 and 28,539.41

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Solution

The fourth proportional to 51,198.35, 70,659.41 and 28,539.41 is: 39,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,198.35 : 70,659.41 = 28,539.41 : x
  2. Step 2: Convert to fraction form
    51,198.35/70,659.41 = 28,539.41/x
  3. Step 3: Cross multiply
    51,198.35x = 70,659.41 × 28,539.41
  4. Step 4: Simplify right side
    51,198.35x = 2,016,577,376.35
  5. Step 5: Solve for x
    x = 2,016,577,376.35/51,198.35
  6. Step 6: Final answer
    x = 39,387.55

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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.