Home / 43,173.09-64,760.85-12,008.34

Finding the Fourth Proportional to 43,173.09, 64,760.85 and 12,008.34

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Solution

The fourth proportional to 43,173.09, 64,760.85 and 12,008.34 is: 18,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173.09 : 64,760.85 = 12,008.34 : x
  2. Step 2: Convert to fraction form
    43,173.09/64,760.85 = 12,008.34/x
  3. Step 3: Cross multiply
    43,173.09x = 64,760.85 × 12,008.34
  4. Step 4: Simplify right side
    43,173.09x = 777,670,305.49
  5. Step 5: Solve for x
    x = 777,670,305.49/43,173.09
  6. Step 6: Final answer
    x = 18,012.85

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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.