Home / 48,391.14-72,614.68-20,308.66

Finding the Fourth Proportional to 48,391.14, 72,614.68 and 20,308.66

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Solution

The fourth proportional to 48,391.14, 72,614.68 and 20,308.66 is: 30,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.14 : 72,614.68 = 20,308.66 : x
  2. Step 2: Convert to fraction form
    48,391.14/72,614.68 = 20,308.66/x
  3. Step 3: Cross multiply
    48,391.14x = 72,614.68 × 20,308.66
  4. Step 4: Simplify right side
    48,391.14x = 1,474,706,847.13
  5. Step 5: Solve for x
    x = 1,474,706,847.13/48,391.14
  6. Step 6: Final answer
    x = 30,474.73

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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.