Home / 43,370.87-65,056.32-12,206.12

Finding the Fourth Proportional to 43,370.87, 65,056.32 and 12,206.12

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Solution

The fourth proportional to 43,370.87, 65,056.32 and 12,206.12 is: 18,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370.87 : 65,056.32 = 12,206.12 : x
  2. Step 2: Convert to fraction form
    43,370.87/65,056.32 = 12,206.12/x
  3. Step 3: Cross multiply
    43,370.87x = 65,056.32 × 12,206.12
  4. Step 4: Simplify right side
    43,370.87x = 794,084,923.40
  5. Step 5: Solve for x
    x = 794,084,923.40/43,370.87
  6. Step 6: Final answer
    x = 18,309.18

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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.