Home / 36,842.21-55,279.65-19,307.87

Finding the Fourth Proportional to 36,842.21, 55,279.65 and 19,307.87

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Solution

The fourth proportional to 36,842.21, 55,279.65 and 19,307.87 is: 28,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,842.21 : 55,279.65 = 19,307.87 : x
  2. Step 2: Convert to fraction form
    36,842.21/55,279.65 = 19,307.87/x
  3. Step 3: Cross multiply
    36,842.21x = 55,279.65 × 19,307.87
  4. Step 4: Simplify right side
    36,842.21x = 1,067,332,295.85
  5. Step 5: Solve for x
    x = 1,067,332,295.85/36,842.21
  6. Step 6: Final answer
    x = 28,970.37

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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.