Home / 20,697.33-31,047.03-5,908.44

Finding the Fourth Proportional to 20,697.33, 31,047.03 and 5,908.44

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Solution

The fourth proportional to 20,697.33, 31,047.03 and 5,908.44 is: 8,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.33 : 31,047.03 = 5,908.44 : x
  2. Step 2: Convert to fraction form
    20,697.33/31,047.03 = 5,908.44/x
  3. Step 3: Cross multiply
    20,697.33x = 31,047.03 × 5,908.44
  4. Step 4: Simplify right side
    20,697.33x = 183,439,513.93
  5. Step 5: Solve for x
    x = 183,439,513.93/20,697.33
  6. Step 6: Final answer
    x = 8,862.96

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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.