Home / 43,944.52-65,927.58-12,780.04

Finding the Fourth Proportional to 43,944.52, 65,927.58 and 12,780.04

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Solution

The fourth proportional to 43,944.52, 65,927.58 and 12,780.04 is: 19,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,944.52 : 65,927.58 = 12,780.04 : x
  2. Step 2: Convert to fraction form
    43,944.52/65,927.58 = 12,780.04/x
  3. Step 3: Cross multiply
    43,944.52x = 65,927.58 × 12,780.04
  4. Step 4: Simplify right side
    43,944.52x = 842,557,109.50
  5. Step 5: Solve for x
    x = 842,557,109.50/43,944.52
  6. Step 6: Final answer
    x = 19,173.20

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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.