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Finding the Fourth Proportional to 32,679.30, 48,963.18 and 17,898.68

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Solution

The fourth proportional to 32,679.30, 48,963.18 and 17,898.68 is: 26,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.30 : 48,963.18 = 17,898.68 : x
  2. Step 2: Convert to fraction form
    32,679.30/48,963.18 = 17,898.68/x
  3. Step 3: Cross multiply
    32,679.30x = 48,963.18 × 17,898.68
  4. Step 4: Simplify right side
    32,679.30x = 876,376,290.60
  5. Step 5: Solve for x
    x = 876,376,290.60/32,679.30
  6. Step 6: Final answer
    x = 26,817.47

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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.