Home / 39,671.64-54,745.92-21,766.48

Finding the Fourth Proportional to 39,671.64, 54,745.92 and 21,766.48

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Solution

The fourth proportional to 39,671.64, 54,745.92 and 21,766.48 is: 30,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.64 : 54,745.92 = 21,766.48 : x
  2. Step 2: Convert to fraction form
    39,671.64/54,745.92 = 21,766.48/x
  3. Step 3: Cross multiply
    39,671.64x = 54,745.92 × 21,766.48
  4. Step 4: Simplify right side
    39,671.64x = 1,191,625,972.76
  5. Step 5: Solve for x
    x = 1,191,625,972.76/39,671.64
  6. Step 6: Final answer
    x = 30,037.22

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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.