Home / 52,745.41-72,789.36-28,871.57

Finding the Fourth Proportional to 52,745.41, 72,789.36 and 28,871.57

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Solution

The fourth proportional to 52,745.41, 72,789.36 and 28,871.57 is: 39,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.41 : 72,789.36 = 28,871.57 : x
  2. Step 2: Convert to fraction form
    52,745.41/72,789.36 = 28,871.57/x
  3. Step 3: Cross multiply
    52,745.41x = 72,789.36 × 28,871.57
  4. Step 4: Simplify right side
    52,745.41x = 2,101,543,176.20
  5. Step 5: Solve for x
    x = 2,101,543,176.20/52,745.41
  6. Step 6: Final answer
    x = 39,843.15

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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.