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Finding the Fourth Proportional to 32,364.44, 44,661.86 and 18,218.04

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Solution

The fourth proportional to 32,364.44, 44,661.86 and 18,218.04 is: 25,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,364.44 : 44,661.86 = 18,218.04 : x
  2. Step 2: Convert to fraction form
    32,364.44/44,661.86 = 18,218.04/x
  3. Step 3: Cross multiply
    32,364.44x = 44,661.86 × 18,218.04
  4. Step 4: Simplify right side
    32,364.44x = 813,651,551.95
  5. Step 5: Solve for x
    x = 813,651,551.95/32,364.44
  6. Step 6: Final answer
    x = 25,140.29

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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.