Home / 51,209.44-76,807.68-20,066.56

Finding the Fourth Proportional to 51,209.44, 76,807.68 and 20,066.56

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Solution

The fourth proportional to 51,209.44, 76,807.68 and 20,066.56 is: 30,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.44 : 76,807.68 = 20,066.56 : x
  2. Step 2: Convert to fraction form
    51,209.44/76,807.68 = 20,066.56/x
  3. Step 3: Cross multiply
    51,209.44x = 76,807.68 × 20,066.56
  4. Step 4: Simplify right side
    51,209.44x = 1,541,265,919.18
  5. Step 5: Solve for x
    x = 1,541,265,919.18/51,209.44
  6. Step 6: Final answer
    x = 30,097.30

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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.