Home / 51,179.13-70,626.24-28,517.64

Finding the Fourth Proportional to 51,179.13, 70,626.24 and 28,517.64

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Solution

The fourth proportional to 51,179.13, 70,626.24 and 28,517.64 is: 39,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.13 : 70,626.24 = 28,517.64 : x
  2. Step 2: Convert to fraction form
    51,179.13/70,626.24 = 28,517.64/x
  3. Step 3: Cross multiply
    51,179.13x = 70,626.24 × 28,517.64
  4. Step 4: Simplify right side
    51,179.13x = 2,014,093,422.03
  5. Step 5: Solve for x
    x = 2,014,093,422.03/51,179.13
  6. Step 6: Final answer
    x = 39,353.80

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1.5x scale

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.