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Finding the Fourth Proportional to 43,652.34, 65,478.06 and 18,671.22

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Solution

The fourth proportional to 43,652.34, 65,478.06 and 18,671.22 is: 28,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,652.34 : 65,478.06 = 18,671.22 : x
  2. Step 2: Convert to fraction form
    43,652.34/65,478.06 = 18,671.22/x
  3. Step 3: Cross multiply
    43,652.34x = 65,478.06 × 18,671.22
  4. Step 4: Simplify right side
    43,652.34x = 1,222,555,263.43
  5. Step 5: Solve for x
    x = 1,222,555,263.43/43,652.34
  6. Step 6: Final answer
    x = 28,006.64

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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.