Home / 43,124.31-64,676.73-11,961.99

Finding the Fourth Proportional to 43,124.31, 64,676.73 and 11,961.99

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Solution

The fourth proportional to 43,124.31, 64,676.73 and 11,961.99 is: 17,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.31 : 64,676.73 = 11,961.99 : x
  2. Step 2: Convert to fraction form
    43,124.31/64,676.73 = 11,961.99/x
  3. Step 3: Cross multiply
    43,124.31x = 64,676.73 × 11,961.99
  4. Step 4: Simplify right side
    43,124.31x = 773,662,397.49
  5. Step 5: Solve for x
    x = 773,662,397.49/43,124.31
  6. Step 6: Final answer
    x = 17,940.28

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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.