Home / 51,766.61-71,432.99-30,261.39

Finding the Fourth Proportional to 51,766.61, 71,432.99 and 30,261.39

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Solution

The fourth proportional to 51,766.61, 71,432.99 and 30,261.39 is: 41,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,766.61 : 71,432.99 = 30,261.39 : x
  2. Step 2: Convert to fraction form
    51,766.61/71,432.99 = 30,261.39/x
  3. Step 3: Cross multiply
    51,766.61x = 71,432.99 × 30,261.39
  4. Step 4: Simplify right side
    51,766.61x = 2,161,661,912.78
  5. Step 5: Solve for x
    x = 2,161,661,912.78/51,766.61
  6. Step 6: Final answer
    x = 41,757.84

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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.