Home / 39,199.29-58,799.72-12,550.37

Finding the Fourth Proportional to 39,199.29, 58,799.72 and 12,550.37

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Solution

The fourth proportional to 39,199.29, 58,799.72 and 12,550.37 is: 18,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.29 : 58,799.72 = 12,550.37 : x
  2. Step 2: Convert to fraction form
    39,199.29/58,799.72 = 12,550.37/x
  3. Step 3: Cross multiply
    39,199.29x = 58,799.72 × 12,550.37
  4. Step 4: Simplify right side
    39,199.29x = 737,957,999.10
  5. Step 5: Solve for x
    x = 737,957,999.10/39,199.29
  6. Step 6: Final answer
    x = 18,825.80

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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.