Home / 39,896.40-55,005.90-32,699.82

Finding the Fourth Proportional to 39,896.40, 55,005.90 and 32,699.82

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Solution

The fourth proportional to 39,896.40, 55,005.90 and 32,699.82 is: 45,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.40 : 55,005.90 = 32,699.82 : x
  2. Step 2: Convert to fraction form
    39,896.40/55,005.90 = 32,699.82/x
  3. Step 3: Cross multiply
    39,896.40x = 55,005.90 × 32,699.82
  4. Step 4: Simplify right side
    39,896.40x = 1,798,683,028.94
  5. Step 5: Solve for x
    x = 1,798,683,028.94/39,896.40
  6. Step 6: Final answer
    x = 45,083.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.