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Finding the Fourth Proportional to 32,644.60, 48,837.30 and 28,310.20

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Solution

The fourth proportional to 32,644.60, 48,837.30 and 28,310.20 is: 42,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,644.60 : 48,837.30 = 28,310.20 : x
  2. Step 2: Convert to fraction form
    32,644.60/48,837.30 = 28,310.20/x
  3. Step 3: Cross multiply
    32,644.60x = 48,837.30 × 28,310.20
  4. Step 4: Simplify right side
    32,644.60x = 1,382,593,730.46
  5. Step 5: Solve for x
    x = 1,382,593,730.46/32,644.60
  6. Step 6: Final answer
    x = 42,352.91

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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.