Home / 43,101.54-64,652.40-11,936.88

Finding the Fourth Proportional to 43,101.54, 64,652.40 and 11,936.88

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Solution

The fourth proportional to 43,101.54, 64,652.40 and 11,936.88 is: 17,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.54 : 64,652.40 = 11,936.88 : x
  2. Step 2: Convert to fraction form
    43,101.54/64,652.40 = 11,936.88/x
  3. Step 3: Cross multiply
    43,101.54x = 64,652.40 × 11,936.88
  4. Step 4: Simplify right side
    43,101.54x = 771,747,940.51
  5. Step 5: Solve for x
    x = 771,747,940.51/43,101.54
  6. Step 6: Final answer
    x = 17,905.34

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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.