Home / 43,550.44-65,327.58-12,387.56

Finding the Fourth Proportional to 43,550.44, 65,327.58 and 12,387.56

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Solution

The fourth proportional to 43,550.44, 65,327.58 and 12,387.56 is: 18,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,550.44 : 65,327.58 = 12,387.56 : x
  2. Step 2: Convert to fraction form
    43,550.44/65,327.58 = 12,387.56/x
  3. Step 3: Cross multiply
    43,550.44x = 65,327.58 × 12,387.56
  4. Step 4: Simplify right side
    43,550.44x = 809,249,316.90
  5. Step 5: Solve for x
    x = 809,249,316.90/43,550.44
  6. Step 6: Final answer
    x = 18,581.89

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1.5x scale

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.