Home / 36,205.89-54,308.91-15,429.39

Finding the Fourth Proportional to 36,205.89, 54,308.91 and 15,429.39

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Solution

The fourth proportional to 36,205.89, 54,308.91 and 15,429.39 is: 23,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,205.89 : 54,308.91 = 15,429.39 : x
  2. Step 2: Convert to fraction form
    36,205.89/54,308.91 = 15,429.39/x
  3. Step 3: Cross multiply
    36,205.89x = 54,308.91 × 15,429.39
  4. Step 4: Simplify right side
    36,205.89x = 837,953,352.86
  5. Step 5: Solve for x
    x = 837,953,352.86/36,205.89
  6. Step 6: Final answer
    x = 23,144.12

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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.