Home / 43,473.20-65,185.79-13,479.12

Finding the Fourth Proportional to 43,473.20, 65,185.79 and 13,479.12

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Solution

The fourth proportional to 43,473.20, 65,185.79 and 13,479.12 is: 20,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,473.20 : 65,185.79 = 13,479.12 : x
  2. Step 2: Convert to fraction form
    43,473.20/65,185.79 = 13,479.12/x
  3. Step 3: Cross multiply
    43,473.20x = 65,185.79 × 13,479.12
  4. Step 4: Simplify right side
    43,473.20x = 878,647,018.31
  5. Step 5: Solve for x
    x = 878,647,018.31/43,473.20
  6. Step 6: Final answer
    x = 20,211.24

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1.5x scale

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.