Home / 43,322.04-64,975.77-12,150

Finding the Fourth Proportional to 43,322.04, 64,975.77 and 12,150

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Solution

The fourth proportional to 43,322.04, 64,975.77 and 12,150 is: 18,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.04 : 64,975.77 = 12,150 : x
  2. Step 2: Convert to fraction form
    43,322.04/64,975.77 = 12,150/x
  3. Step 3: Cross multiply
    43,322.04x = 64,975.77 × 12,150
  4. Step 4: Simplify right side
    43,322.04x = 789,455,605.50
  5. Step 5: Solve for x
    x = 789,455,605.50/43,322.04
  6. Step 6: Final answer
    x = 18,222.96

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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.