Home / 20,672.62-31,004.83-5,881.66

Finding the Fourth Proportional to 20,672.62, 31,004.83 and 5,881.66

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Solution

The fourth proportional to 20,672.62, 31,004.83 and 5,881.66 is: 8,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.62 : 31,004.83 = 5,881.66 : x
  2. Step 2: Convert to fraction form
    20,672.62/31,004.83 = 5,881.66/x
  3. Step 3: Cross multiply
    20,672.62x = 31,004.83 × 5,881.66
  4. Step 4: Simplify right side
    20,672.62x = 182,359,939.58
  5. Step 5: Solve for x
    x = 182,359,939.58/20,672.62
  6. Step 6: Final answer
    x = 8,821.33

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1.5x scale

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.