Home / 51,016.08-70,396.86-28,351.41

Finding the Fourth Proportional to 51,016.08, 70,396.86 and 28,351.41

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Solution

The fourth proportional to 51,016.08, 70,396.86 and 28,351.41 is: 39,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,016.08 : 70,396.86 = 28,351.41 : x
  2. Step 2: Convert to fraction form
    51,016.08/70,396.86 = 28,351.41/x
  3. Step 3: Cross multiply
    51,016.08x = 70,396.86 × 28,351.41
  4. Step 4: Simplify right side
    51,016.08x = 1,995,850,240.57
  5. Step 5: Solve for x
    x = 1,995,850,240.57/51,016.08
  6. Step 6: Final answer
    x = 39,121.98

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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.