Home / 43,350.50-65,025.76-12,185.76

Finding the Fourth Proportional to 43,350.50, 65,025.76 and 12,185.76

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Solution

The fourth proportional to 43,350.50, 65,025.76 and 12,185.76 is: 18,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.50 : 65,025.76 = 12,185.76 : x
  2. Step 2: Convert to fraction form
    43,350.50/65,025.76 = 12,185.76/x
  3. Step 3: Cross multiply
    43,350.50x = 65,025.76 × 12,185.76
  4. Step 4: Simplify right side
    43,350.50x = 792,388,305.18
  5. Step 5: Solve for x
    x = 792,388,305.18/43,350.50
  6. Step 6: Final answer
    x = 18,278.64

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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.