Home / 51,012.97-70,396.51-28,351.41

Finding the Fourth Proportional to 51,012.97, 70,396.51 and 28,351.41

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Solution

The fourth proportional to 51,012.97, 70,396.51 and 28,351.41 is: 39,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,012.97 : 70,396.51 = 28,351.41 : x
  2. Step 2: Convert to fraction form
    51,012.97/70,396.51 = 28,351.41/x
  3. Step 3: Cross multiply
    51,012.97x = 70,396.51 × 28,351.41
  4. Step 4: Simplify right side
    51,012.97x = 1,995,840,317.58
  5. Step 5: Solve for x
    x = 1,995,840,317.58/51,012.97
  6. Step 6: Final answer
    x = 39,124.17

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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.