Home / 43,578.14-65,361.00-13,992.13

Finding the Fourth Proportional to 43,578.14, 65,361.00 and 13,992.13

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Solution

The fourth proportional to 43,578.14, 65,361.00 and 13,992.13 is: 20,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578.14 : 65,361.00 = 13,992.13 : x
  2. Step 2: Convert to fraction form
    43,578.14/65,361.00 = 13,992.13/x
  3. Step 3: Cross multiply
    43,578.14x = 65,361.00 × 13,992.13
  4. Step 4: Simplify right side
    43,578.14x = 914,539,611.83
  5. Step 5: Solve for x
    x = 914,539,611.83/43,578.14
  6. Step 6: Final answer
    x = 20,986.20

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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.