Home / 51,175.21-70,626.98-28,517.89

Finding the Fourth Proportional to 51,175.21, 70,626.98 and 28,517.89

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Solution

The fourth proportional to 51,175.21, 70,626.98 and 28,517.89 is: 39,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.21 : 70,626.98 = 28,517.89 : x
  2. Step 2: Convert to fraction form
    51,175.21/70,626.98 = 28,517.89/x
  3. Step 3: Cross multiply
    51,175.21x = 70,626.98 × 28,517.89
  4. Step 4: Simplify right side
    51,175.21x = 2,014,132,270.10
  5. Step 5: Solve for x
    x = 2,014,132,270.10/51,175.21
  6. Step 6: Final answer
    x = 39,357.58

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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.