Home / 43,076.54-64,614.90-11,911.88

Finding the Fourth Proportional to 43,076.54, 64,614.90 and 11,911.88

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Solution

The fourth proportional to 43,076.54, 64,614.90 and 11,911.88 is: 17,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,076.54 : 64,614.90 = 11,911.88 : x
  2. Step 2: Convert to fraction form
    43,076.54/64,614.90 = 11,911.88/x
  3. Step 3: Cross multiply
    43,076.54x = 64,614.90 × 11,911.88
  4. Step 4: Simplify right side
    43,076.54x = 769,684,935.01
  5. Step 5: Solve for x
    x = 769,684,935.01/43,076.54
  6. Step 6: Final answer
    x = 17,867.84

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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.