Home / 43,056.72-64,586.30-11,891.97

Finding the Fourth Proportional to 43,056.72, 64,586.30 and 11,891.97

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Solution

The fourth proportional to 43,056.72, 64,586.30 and 11,891.97 is: 17,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,056.72 : 64,586.30 = 11,891.97 : x
  2. Step 2: Convert to fraction form
    43,056.72/64,586.30 = 11,891.97/x
  3. Step 3: Cross multiply
    43,056.72x = 64,586.30 × 11,891.97
  4. Step 4: Simplify right side
    43,056.72x = 768,058,342.01
  5. Step 5: Solve for x
    x = 768,058,342.01/43,056.72
  6. Step 6: Final answer
    x = 17,838.29

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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.