Home / 29,199.20-43,816.60-13,618

Finding the Fourth Proportional to 29,199.20, 43,816.60 and 13,618

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Solution

The fourth proportional to 29,199.20, 43,816.60 and 13,618 is: 20,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.20 : 43,816.60 = 13,618 : x
  2. Step 2: Convert to fraction form
    29,199.20/43,816.60 = 13,618/x
  3. Step 3: Cross multiply
    29,199.20x = 43,816.60 × 13,618
  4. Step 4: Simplify right side
    29,199.20x = 596,694,458.80
  5. Step 5: Solve for x
    x = 596,694,458.80/29,199.20
  6. Step 6: Final answer
    x = 20,435.30

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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.