Home / 51,179.16-70,629.36-28,519.44

Finding the Fourth Proportional to 51,179.16, 70,629.36 and 28,519.44

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Solution

The fourth proportional to 51,179.16, 70,629.36 and 28,519.44 is: 39,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.16 : 70,629.36 = 28,519.44 : x
  2. Step 2: Convert to fraction form
    51,179.16/70,629.36 = 28,519.44/x
  3. Step 3: Cross multiply
    51,179.16x = 70,629.36 × 28,519.44
  4. Step 4: Simplify right side
    51,179.16x = 2,014,309,794.76
  5. Step 5: Solve for x
    x = 2,014,309,794.76/51,179.16
  6. Step 6: Final answer
    x = 39,358.01

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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.