Home / 43,076.37-64,609.41-11,488.80

Finding the Fourth Proportional to 43,076.37, 64,609.41 and 11,488.80

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Solution

The fourth proportional to 43,076.37, 64,609.41 and 11,488.80 is: 17,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,076.37 : 64,609.41 = 11,488.80 : x
  2. Step 2: Convert to fraction form
    43,076.37/64,609.41 = 11,488.80/x
  3. Step 3: Cross multiply
    43,076.37x = 64,609.41 × 11,488.80
  4. Step 4: Simplify right side
    43,076.37x = 742,284,589.61
  5. Step 5: Solve for x
    x = 742,284,589.61/43,076.37
  6. Step 6: Final answer
    x = 17,231.83

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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.