Home / 43,117.82-64,710.25-19,745.58

Finding the Fourth Proportional to 43,117.82, 64,710.25 and 19,745.58

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Solution

The fourth proportional to 43,117.82, 64,710.25 and 19,745.58 is: 29,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117.82 : 64,710.25 = 19,745.58 : x
  2. Step 2: Convert to fraction form
    43,117.82/64,710.25 = 19,745.58/x
  3. Step 3: Cross multiply
    43,117.82x = 64,710.25 × 19,745.58
  4. Step 4: Simplify right side
    43,117.82x = 1,277,741,418.20
  5. Step 5: Solve for x
    x = 1,277,741,418.20/43,117.82
  6. Step 6: Final answer
    x = 29,633.72

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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.