Home / 51,201.90-70,658.97-28,542.33

Finding the Fourth Proportional to 51,201.90, 70,658.97 and 28,542.33

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Solution

The fourth proportional to 51,201.90, 70,658.97 and 28,542.33 is: 39,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.90 : 70,658.97 = 28,542.33 : x
  2. Step 2: Convert to fraction form
    51,201.90/70,658.97 = 28,542.33/x
  3. Step 3: Cross multiply
    51,201.90x = 70,658.97 × 28,542.33
  4. Step 4: Simplify right side
    51,201.90x = 2,016,771,639.20
  5. Step 5: Solve for x
    x = 2,016,771,639.20/51,201.90
  6. Step 6: Final answer
    x = 39,388.61

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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.