Home / 36,239.88-54,359.28-12,564.68

Finding the Fourth Proportional to 36,239.88, 54,359.28 and 12,564.68

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Solution

The fourth proportional to 36,239.88, 54,359.28 and 12,564.68 is: 18,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.88 : 54,359.28 = 12,564.68 : x
  2. Step 2: Convert to fraction form
    36,239.88/54,359.28 = 12,564.68/x
  3. Step 3: Cross multiply
    36,239.88x = 54,359.28 × 12,564.68
  4. Step 4: Simplify right side
    36,239.88x = 683,006,958.23
  5. Step 5: Solve for x
    x = 683,006,958.23/36,239.88
  6. Step 6: Final answer
    x = 18,846.83

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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.