Home / 36,438.07-54,644.87-13,943.50

Finding the Fourth Proportional to 36,438.07, 54,644.87 and 13,943.50

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Solution

The fourth proportional to 36,438.07, 54,644.87 and 13,943.50 is: 20,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.07 : 54,644.87 = 13,943.50 : x
  2. Step 2: Convert to fraction form
    36,438.07/54,644.87 = 13,943.50/x
  3. Step 3: Cross multiply
    36,438.07x = 54,644.87 × 13,943.50
  4. Step 4: Simplify right side
    36,438.07x = 761,940,744.85
  5. Step 5: Solve for x
    x = 761,940,744.85/36,438.07
  6. Step 6: Final answer
    x = 20,910.57

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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.