Home / 48,548.89-66,997.49-28,409.64

Finding the Fourth Proportional to 48,548.89, 66,997.49 and 28,409.64

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Solution

The fourth proportional to 48,548.89, 66,997.49 and 28,409.64 is: 39,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,548.89 : 66,997.49 = 28,409.64 : x
  2. Step 2: Convert to fraction form
    48,548.89/66,997.49 = 28,409.64/x
  3. Step 3: Cross multiply
    48,548.89x = 66,997.49 × 28,409.64
  4. Step 4: Simplify right side
    48,548.89x = 1,903,374,571.80
  5. Step 5: Solve for x
    x = 1,903,374,571.80/48,548.89
  6. Step 6: Final answer
    x = 39,205.32

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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.