Home / 39,272.97-54,196.67-21,367.95

Finding the Fourth Proportional to 39,272.97, 54,196.67 and 21,367.95

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Solution

The fourth proportional to 39,272.97, 54,196.67 and 21,367.95 is: 29,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.97 : 54,196.67 = 21,367.95 : x
  2. Step 2: Convert to fraction form
    39,272.97/54,196.67 = 21,367.95/x
  3. Step 3: Cross multiply
    39,272.97x = 54,196.67 × 21,367.95
  4. Step 4: Simplify right side
    39,272.97x = 1,158,071,627.89
  5. Step 5: Solve for x
    x = 1,158,071,627.89/39,272.97
  6. Step 6: Final answer
    x = 29,487.75

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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.