Home / 36,074.62-49,782.02-20,159.20

Finding the Fourth Proportional to 36,074.62, 49,782.02 and 20,159.20

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Solution

The fourth proportional to 36,074.62, 49,782.02 and 20,159.20 is: 27,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.62 : 49,782.02 = 20,159.20 : x
  2. Step 2: Convert to fraction form
    36,074.62/49,782.02 = 20,159.20/x
  3. Step 3: Cross multiply
    36,074.62x = 49,782.02 × 20,159.20
  4. Step 4: Simplify right side
    36,074.62x = 1,003,565,697.58
  5. Step 5: Solve for x
    x = 1,003,565,697.58/36,074.62
  6. Step 6: Final answer
    x = 27,819.16

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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.