Home / 50,512.82-69,694.01-28,708.79

Finding the Fourth Proportional to 50,512.82, 69,694.01 and 28,708.79

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Solution

The fourth proportional to 50,512.82, 69,694.01 and 28,708.79 is: 39,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,512.82 : 69,694.01 = 28,708.79 : x
  2. Step 2: Convert to fraction form
    50,512.82/69,694.01 = 28,708.79/x
  3. Step 3: Cross multiply
    50,512.82x = 69,694.01 × 28,708.79
  4. Step 4: Simplify right side
    50,512.82x = 2,000,830,420.65
  5. Step 5: Solve for x
    x = 2,000,830,420.65/50,512.82
  6. Step 6: Final answer
    x = 39,610.35

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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.