Home / 43,934.18-65,907.87-12,765.38

Finding the Fourth Proportional to 43,934.18, 65,907.87 and 12,765.38

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Solution

The fourth proportional to 43,934.18, 65,907.87 and 12,765.38 is: 19,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,934.18 : 65,907.87 = 12,765.38 : x
  2. Step 2: Convert to fraction form
    43,934.18/65,907.87 = 12,765.38/x
  3. Step 3: Cross multiply
    43,934.18x = 65,907.87 × 12,765.38
  4. Step 4: Simplify right side
    43,934.18x = 841,339,005.54
  5. Step 5: Solve for x
    x = 841,339,005.54/43,934.18
  6. Step 6: Final answer
    x = 19,149.99

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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.