Home / 43,280.88-64,872.09-18,305.34

Finding the Fourth Proportional to 43,280.88, 64,872.09 and 18,305.34

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Solution

The fourth proportional to 43,280.88, 64,872.09 and 18,305.34 is: 27,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.88 : 64,872.09 = 18,305.34 : x
  2. Step 2: Convert to fraction form
    43,280.88/64,872.09 = 18,305.34/x
  3. Step 3: Cross multiply
    43,280.88x = 64,872.09 × 18,305.34
  4. Step 4: Simplify right side
    43,280.88x = 1,187,505,663.96
  5. Step 5: Solve for x
    x = 1,187,505,663.96/43,280.88
  6. Step 6: Final answer
    x = 27,437.19

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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.