Home / 51,252.54-70,728.39-28,896.38

Finding the Fourth Proportional to 51,252.54, 70,728.39 and 28,896.38

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Solution

The fourth proportional to 51,252.54, 70,728.39 and 28,896.38 is: 39,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,252.54 : 70,728.39 = 28,896.38 : x
  2. Step 2: Convert to fraction form
    51,252.54/70,728.39 = 28,896.38/x
  3. Step 3: Cross multiply
    51,252.54x = 70,728.39 × 28,896.38
  4. Step 4: Simplify right side
    51,252.54x = 2,043,794,434.23
  5. Step 5: Solve for x
    x = 2,043,794,434.23/51,252.54
  6. Step 6: Final answer
    x = 39,876.94

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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.