Home / 40,896.56-61,298.76-20,134.64

Finding the Fourth Proportional to 40,896.56, 61,298.76 and 20,134.64

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Solution

The fourth proportional to 40,896.56, 61,298.76 and 20,134.64 is: 30,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.56 : 61,298.76 = 20,134.64 : x
  2. Step 2: Convert to fraction form
    40,896.56/61,298.76 = 20,134.64/x
  3. Step 3: Cross multiply
    40,896.56x = 61,298.76 × 20,134.64
  4. Step 4: Simplify right side
    40,896.56x = 1,234,228,465.05
  5. Step 5: Solve for x
    x = 1,234,228,465.05/40,896.56
  6. Step 6: Final answer
    x = 30,179.27

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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.