Home / 55,180-82,821.80-28,903.60

Finding the Fourth Proportional to 55,180, 82,821.80 and 28,903.60

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Solution

The fourth proportional to 55,180, 82,821.80 and 28,903.60 is: 43,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180 : 82,821.80 = 28,903.60 : x
  2. Step 2: Convert to fraction form
    55,180/82,821.80 = 28,903.60/x
  3. Step 3: Cross multiply
    55,180x = 82,821.80 × 28,903.60
  4. Step 4: Simplify right side
    55,180x = 2,393,848,178.48
  5. Step 5: Solve for x
    x = 2,393,848,178.48/55,180
  6. Step 6: Final answer
    x = 43,382.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.