Home / 51,219.20-76,823.04-20,046.08

Finding the Fourth Proportional to 51,219.20, 76,823.04 and 20,046.08

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Solution

The fourth proportional to 51,219.20, 76,823.04 and 20,046.08 is: 30,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.20 : 76,823.04 = 20,046.08 : x
  2. Step 2: Convert to fraction form
    51,219.20/76,823.04 = 20,046.08/x
  3. Step 3: Cross multiply
    51,219.20x = 76,823.04 × 20,046.08
  4. Step 4: Simplify right side
    51,219.20x = 1,540,000,805.68
  5. Step 5: Solve for x
    x = 1,540,000,805.68/51,219.20
  6. Step 6: Final answer
    x = 30,066.87

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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.