Home / 36,074.87-49,782.36-20,159.45

Finding the Fourth Proportional to 36,074.87, 49,782.36 and 20,159.45

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Solution

The fourth proportional to 36,074.87, 49,782.36 and 20,159.45 is: 27,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.87 : 49,782.36 = 20,159.45 : x
  2. Step 2: Convert to fraction form
    36,074.87/49,782.36 = 20,159.45/x
  3. Step 3: Cross multiply
    36,074.87x = 49,782.36 × 20,159.45
  4. Step 4: Simplify right side
    36,074.87x = 1,003,584,997.30
  5. Step 5: Solve for x
    x = 1,003,584,997.30/36,074.87
  6. Step 6: Final answer
    x = 27,819.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.