Home / 43,404.44-65,111.87-15,318.70

Finding the Fourth Proportional to 43,404.44, 65,111.87 and 15,318.70

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Solution

The fourth proportional to 43,404.44, 65,111.87 and 15,318.70 is: 22,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.44 : 65,111.87 = 15,318.70 : x
  2. Step 2: Convert to fraction form
    43,404.44/65,111.87 = 15,318.70/x
  3. Step 3: Cross multiply
    43,404.44x = 65,111.87 × 15,318.70
  4. Step 4: Simplify right side
    43,404.44x = 997,428,800.82
  5. Step 5: Solve for x
    x = 997,428,800.82/43,404.44
  6. Step 6: Final answer
    x = 22,979.88

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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.