Home / 51,820.75-71,512.64-29,464.75

Finding the Fourth Proportional to 51,820.75, 71,512.64 and 29,464.75

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Solution

The fourth proportional to 51,820.75, 71,512.64 and 29,464.75 is: 40,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,820.75 : 71,512.64 = 29,464.75 : x
  2. Step 2: Convert to fraction form
    51,820.75/71,512.64 = 29,464.75/x
  3. Step 3: Cross multiply
    51,820.75x = 71,512.64 × 29,464.75
  4. Step 4: Simplify right side
    51,820.75x = 2,107,102,059.44
  5. Step 5: Solve for x
    x = 2,107,102,059.44/51,820.75
  6. Step 6: Final answer
    x = 40,661.36

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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.