Home / 43,168.38-64,725.57-18,195.54

Finding the Fourth Proportional to 43,168.38, 64,725.57 and 18,195.54

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Solution

The fourth proportional to 43,168.38, 64,725.57 and 18,195.54 is: 27,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.38 : 64,725.57 = 18,195.54 : x
  2. Step 2: Convert to fraction form
    43,168.38/64,725.57 = 18,195.54/x
  3. Step 3: Cross multiply
    43,168.38x = 64,725.57 × 18,195.54
  4. Step 4: Simplify right side
    43,168.38x = 1,177,716,697.96
  5. Step 5: Solve for x
    x = 1,177,716,697.96/43,168.38
  6. Step 6: Final answer
    x = 27,281.93

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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.