Home / 43,976.08-65,963.04-12,811.60

Finding the Fourth Proportional to 43,976.08, 65,963.04 and 12,811.60

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Solution

The fourth proportional to 43,976.08, 65,963.04 and 12,811.60 is: 19,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,976.08 : 65,963.04 = 12,811.60 : x
  2. Step 2: Convert to fraction form
    43,976.08/65,963.04 = 12,811.60/x
  3. Step 3: Cross multiply
    43,976.08x = 65,963.04 × 12,811.60
  4. Step 4: Simplify right side
    43,976.08x = 845,092,083.26
  5. Step 5: Solve for x
    x = 845,092,083.26/43,976.08
  6. Step 6: Final answer
    x = 19,217.09

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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.