Home / 51,174.62-70,626.21-28,517.30

Finding the Fourth Proportional to 51,174.62, 70,626.21 and 28,517.30

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Solution

The fourth proportional to 51,174.62, 70,626.21 and 28,517.30 is: 39,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.62 : 70,626.21 = 28,517.30 : x
  2. Step 2: Convert to fraction form
    51,174.62/70,626.21 = 28,517.30/x
  3. Step 3: Cross multiply
    51,174.62x = 70,626.21 × 28,517.30
  4. Step 4: Simplify right side
    51,174.62x = 2,014,068,465.30
  5. Step 5: Solve for x
    x = 2,014,068,465.30/51,174.62
  6. Step 6: Final answer
    x = 39,356.79

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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.