Home / 20,747.30-31,111.59-5,952.86

Finding the Fourth Proportional to 20,747.30, 31,111.59 and 5,952.86

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Solution

The fourth proportional to 20,747.30, 31,111.59 and 5,952.86 is: 8,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.30 : 31,111.59 = 5,952.86 : x
  2. Step 2: Convert to fraction form
    20,747.30/31,111.59 = 5,952.86/x
  3. Step 3: Cross multiply
    20,747.30x = 31,111.59 × 5,952.86
  4. Step 4: Simplify right side
    20,747.30x = 185,202,939.65
  5. Step 5: Solve for x
    x = 185,202,939.65/20,747.30
  6. Step 6: Final answer
    x = 8,926.60

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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.