Home / 48,146.20-72,218.70-21,832.60

Finding the Fourth Proportional to 48,146.20, 72,218.70 and 21,832.60

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Solution

The fourth proportional to 48,146.20, 72,218.70 and 21,832.60 is: 32,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.20 : 72,218.70 = 21,832.60 : x
  2. Step 2: Convert to fraction form
    48,146.20/72,218.70 = 21,832.60/x
  3. Step 3: Cross multiply
    48,146.20x = 72,218.70 × 21,832.60
  4. Step 4: Simplify right side
    48,146.20x = 1,576,721,989.62
  5. Step 5: Solve for x
    x = 1,576,721,989.62/48,146.20
  6. Step 6: Final answer
    x = 32,748.63

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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.