Home / 51,193.26-70,650.78-28,539.54

Finding the Fourth Proportional to 51,193.26, 70,650.78 and 28,539.54

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Solution

The fourth proportional to 51,193.26, 70,650.78 and 28,539.54 is: 39,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.26 : 70,650.78 = 28,539.54 : x
  2. Step 2: Convert to fraction form
    51,193.26/70,650.78 = 28,539.54/x
  3. Step 3: Cross multiply
    51,193.26x = 70,650.78 × 28,539.54
  4. Step 4: Simplify right side
    51,193.26x = 2,016,340,761.84
  5. Step 5: Solve for x
    x = 2,016,340,761.84/51,193.26
  6. Step 6: Final answer
    x = 39,386.84

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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.