Home / 36,189.75-54,313.79-18,664.59

Finding the Fourth Proportional to 36,189.75, 54,313.79 and 18,664.59

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Solution

The fourth proportional to 36,189.75, 54,313.79 and 18,664.59 is: 28,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.75 : 54,313.79 = 18,664.59 : x
  2. Step 2: Convert to fraction form
    36,189.75/54,313.79 = 18,664.59/x
  3. Step 3: Cross multiply
    36,189.75x = 54,313.79 × 18,664.59
  4. Step 4: Simplify right side
    36,189.75x = 1,013,744,528.37
  5. Step 5: Solve for x
    x = 1,013,744,528.37/36,189.75
  6. Step 6: Final answer
    x = 28,011.92

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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.