Home / 30,636.64-45,896.52-20,758.96

Finding the Fourth Proportional to 30,636.64, 45,896.52 and 20,758.96

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Solution

The fourth proportional to 30,636.64, 45,896.52 and 20,758.96 is: 31,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,636.64 : 45,896.52 = 20,758.96 : x
  2. Step 2: Convert to fraction form
    30,636.64/45,896.52 = 20,758.96/x
  3. Step 3: Cross multiply
    30,636.64x = 45,896.52 × 20,758.96
  4. Step 4: Simplify right side
    30,636.64x = 952,764,022.82
  5. Step 5: Solve for x
    x = 952,764,022.82/30,636.64
  6. Step 6: Final answer
    x = 31,098.84

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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.