Home / 43,517.97-65,272.50-13,957.02

Finding the Fourth Proportional to 43,517.97, 65,272.50 and 13,957.02

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Solution

The fourth proportional to 43,517.97, 65,272.50 and 13,957.02 is: 20,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,517.97 : 65,272.50 = 13,957.02 : x
  2. Step 2: Convert to fraction form
    43,517.97/65,272.50 = 13,957.02/x
  3. Step 3: Cross multiply
    43,517.97x = 65,272.50 × 13,957.02
  4. Step 4: Simplify right side
    43,517.97x = 911,009,587.95
  5. Step 5: Solve for x
    x = 911,009,587.95/43,517.97
  6. Step 6: Final answer
    x = 20,934.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.