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Finding the Fourth Proportional to 32,451.10, 48,673.05 and 9,079.90

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Solution

The fourth proportional to 32,451.10, 48,673.05 and 9,079.90 is: 13,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.10 : 48,673.05 = 9,079.90 : x
  2. Step 2: Convert to fraction form
    32,451.10/48,673.05 = 9,079.90/x
  3. Step 3: Cross multiply
    32,451.10x = 48,673.05 × 9,079.90
  4. Step 4: Simplify right side
    32,451.10x = 441,946,426.70
  5. Step 5: Solve for x
    x = 441,946,426.70/32,451.10
  6. Step 6: Final answer
    x = 13,618.84

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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.