Home / 39,862.26-55,013.79-29,773.20

Finding the Fourth Proportional to 39,862.26, 55,013.79 and 29,773.20

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Solution

The fourth proportional to 39,862.26, 55,013.79 and 29,773.20 is: 41,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.26 : 55,013.79 = 29,773.20 : x
  2. Step 2: Convert to fraction form
    39,862.26/55,013.79 = 29,773.20/x
  3. Step 3: Cross multiply
    39,862.26x = 55,013.79 × 29,773.20
  4. Step 4: Simplify right side
    39,862.26x = 1,637,936,572.43
  5. Step 5: Solve for x
    x = 1,637,936,572.43/39,862.26
  6. Step 6: Final answer
    x = 41,089.91

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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.