Home / 48,670.20-67,179.24-28,531.44

Finding the Fourth Proportional to 48,670.20, 67,179.24 and 28,531.44

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Solution

The fourth proportional to 48,670.20, 67,179.24 and 28,531.44 is: 39,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.20 : 67,179.24 = 28,531.44 : x
  2. Step 2: Convert to fraction form
    48,670.20/67,179.24 = 28,531.44/x
  3. Step 3: Cross multiply
    48,670.20x = 67,179.24 × 28,531.44
  4. Step 4: Simplify right side
    48,670.20x = 1,916,720,455.31
  5. Step 5: Solve for x
    x = 1,916,720,455.31/48,670.20
  6. Step 6: Final answer
    x = 39,381.81

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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.