Home / 51,530.75-71,096.28-28,866.68

Finding the Fourth Proportional to 51,530.75, 71,096.28 and 28,866.68

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Solution

The fourth proportional to 51,530.75, 71,096.28 and 28,866.68 is: 39,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,530.75 : 71,096.28 = 28,866.68 : x
  2. Step 2: Convert to fraction form
    51,530.75/71,096.28 = 28,866.68/x
  3. Step 3: Cross multiply
    51,530.75x = 71,096.28 × 28,866.68
  4. Step 4: Simplify right side
    51,530.75x = 2,052,313,563.95
  5. Step 5: Solve for x
    x = 2,052,313,563.95/51,530.75
  6. Step 6: Final answer
    x = 39,826.97

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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.