Home / 30,651.38-45,708.83-30,371.11

Finding the Fourth Proportional to 30,651.38, 45,708.83 and 30,371.11

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Solution

The fourth proportional to 30,651.38, 45,708.83 and 30,371.11 is: 45,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.38 : 45,708.83 = 30,371.11 : x
  2. Step 2: Convert to fraction form
    30,651.38/45,708.83 = 30,371.11/x
  3. Step 3: Cross multiply
    30,651.38x = 45,708.83 × 30,371.11
  4. Step 4: Simplify right side
    30,651.38x = 1,388,227,865.56
  5. Step 5: Solve for x
    x = 1,388,227,865.56/30,651.38
  6. Step 6: Final answer
    x = 45,290.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.