Home / 43,171.88-64,761.48-12,007.13

Finding the Fourth Proportional to 43,171.88, 64,761.48 and 12,007.13

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Solution

The fourth proportional to 43,171.88, 64,761.48 and 12,007.13 is: 18,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.88 : 64,761.48 = 12,007.13 : x
  2. Step 2: Convert to fraction form
    43,171.88/64,761.48 = 12,007.13/x
  3. Step 3: Cross multiply
    43,171.88x = 64,761.48 × 12,007.13
  4. Step 4: Simplify right side
    43,171.88x = 777,599,185.55
  5. Step 5: Solve for x
    x = 777,599,185.55/43,171.88
  6. Step 6: Final answer
    x = 18,011.71

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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.