Home / 43,785.42-65,687.36-14,200.95

Finding the Fourth Proportional to 43,785.42, 65,687.36 and 14,200.95

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Solution

The fourth proportional to 43,785.42, 65,687.36 and 14,200.95 is: 21,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785.42 : 65,687.36 = 14,200.95 : x
  2. Step 2: Convert to fraction form
    43,785.42/65,687.36 = 14,200.95/x
  3. Step 3: Cross multiply
    43,785.42x = 65,687.36 × 14,200.95
  4. Step 4: Simplify right side
    43,785.42x = 932,822,843.99
  5. Step 5: Solve for x
    x = 932,822,843.99/43,785.42
  6. Step 6: Final answer
    x = 21,304.42

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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.