Home / 43,168.63-64,756.61-12,003.88

Finding the Fourth Proportional to 43,168.63, 64,756.61 and 12,003.88

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Solution

The fourth proportional to 43,168.63, 64,756.61 and 12,003.88 is: 18,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.63 : 64,756.61 = 12,003.88 : x
  2. Step 2: Convert to fraction form
    43,168.63/64,756.61 = 12,003.88/x
  3. Step 3: Cross multiply
    43,168.63x = 64,756.61 × 12,003.88
  4. Step 4: Simplify right side
    43,168.63x = 777,330,191.84
  5. Step 5: Solve for x
    x = 777,330,191.84/43,168.63
  6. Step 6: Final answer
    x = 18,006.83

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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.