Home / 43,633.42-65,448.82-12,045.41

Finding the Fourth Proportional to 43,633.42, 65,448.82 and 12,045.41

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Solution

The fourth proportional to 43,633.42, 65,448.82 and 12,045.41 is: 18,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,633.42 : 65,448.82 = 12,045.41 : x
  2. Step 2: Convert to fraction form
    43,633.42/65,448.82 = 12,045.41/x
  3. Step 3: Cross multiply
    43,633.42x = 65,448.82 × 12,045.41
  4. Step 4: Simplify right side
    43,633.42x = 788,357,770.28
  5. Step 5: Solve for x
    x = 788,357,770.28/43,633.42
  6. Step 6: Final answer
    x = 18,067.75

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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.