Home / 43,788.34-65,691.73-14,203.86

Finding the Fourth Proportional to 43,788.34, 65,691.73 and 14,203.86

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Solution

The fourth proportional to 43,788.34, 65,691.73 and 14,203.86 is: 21,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,788.34 : 65,691.73 = 14,203.86 : x
  2. Step 2: Convert to fraction form
    43,788.34/65,691.73 = 14,203.86/x
  3. Step 3: Cross multiply
    43,788.34x = 65,691.73 × 14,203.86
  4. Step 4: Simplify right side
    43,788.34x = 933,076,136.08
  5. Step 5: Solve for x
    x = 933,076,136.08/43,788.34
  6. Step 6: Final answer
    x = 21,308.78

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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.