Home / 47,882.42-71,812.83-18,289.70

Finding the Fourth Proportional to 47,882.42, 71,812.83 and 18,289.70

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Solution

The fourth proportional to 47,882.42, 71,812.83 and 18,289.70 is: 27,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,882.42 : 71,812.83 = 18,289.70 : x
  2. Step 2: Convert to fraction form
    47,882.42/71,812.83 = 18,289.70/x
  3. Step 3: Cross multiply
    47,882.42x = 71,812.83 × 18,289.70
  4. Step 4: Simplify right side
    47,882.42x = 1,313,435,116.85
  5. Step 5: Solve for x
    x = 1,313,435,116.85/47,882.42
  6. Step 6: Final answer
    x = 27,430.42

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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.