Home / 43,963.08-65,944.60-12,800.76

Finding the Fourth Proportional to 43,963.08, 65,944.60 and 12,800.76

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Solution

The fourth proportional to 43,963.08, 65,944.60 and 12,800.76 is: 19,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,963.08 : 65,944.60 = 12,800.76 : x
  2. Step 2: Convert to fraction form
    43,963.08/65,944.60 = 12,800.76/x
  3. Step 3: Cross multiply
    43,963.08x = 65,944.60 × 12,800.76
  4. Step 4: Simplify right side
    43,963.08x = 844,140,997.90
  5. Step 5: Solve for x
    x = 844,140,997.90/43,963.08
  6. Step 6: Final answer
    x = 19,201.13

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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.