Home / 20,624.88-30,937.04-5,042.64

Finding the Fourth Proportional to 20,624.88, 30,937.04 and 5,042.64

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Solution

The fourth proportional to 20,624.88, 30,937.04 and 5,042.64 is: 7,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.88 : 30,937.04 = 5,042.64 : x
  2. Step 2: Convert to fraction form
    20,624.88/30,937.04 = 5,042.64/x
  3. Step 3: Cross multiply
    20,624.88x = 30,937.04 × 5,042.64
  4. Step 4: Simplify right side
    20,624.88x = 156,004,355.39
  5. Step 5: Solve for x
    x = 156,004,355.39/20,624.88
  6. Step 6: Final answer
    x = 7,563.89

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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.