Home / 43,728.12-65,640.74-22,662.52

Finding the Fourth Proportional to 43,728.12, 65,640.74 and 22,662.52

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Solution

The fourth proportional to 43,728.12, 65,640.74 and 22,662.52 is: 34,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.12 : 65,640.74 = 22,662.52 : x
  2. Step 2: Convert to fraction form
    43,728.12/65,640.74 = 22,662.52/x
  3. Step 3: Cross multiply
    43,728.12x = 65,640.74 × 22,662.52
  4. Step 4: Simplify right side
    43,728.12x = 1,487,584,583.06
  5. Step 5: Solve for x
    x = 1,487,584,583.06/43,728.12
  6. Step 6: Final answer
    x = 34,018.95

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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.