Home / 20,652.24-30,979.53-5,860

Finding the Fourth Proportional to 20,652.24, 30,979.53 and 5,860

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Solution

The fourth proportional to 20,652.24, 30,979.53 and 5,860 is: 8,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.24 : 30,979.53 = 5,860 : x
  2. Step 2: Convert to fraction form
    20,652.24/30,979.53 = 5,860/x
  3. Step 3: Cross multiply
    20,652.24x = 30,979.53 × 5,860
  4. Step 4: Simplify right side
    20,652.24x = 181,540,045.80
  5. Step 5: Solve for x
    x = 181,540,045.80/20,652.24
  6. Step 6: Final answer
    x = 8,790.33

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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.