Home / 20,005.82-30,010.25-5,964.77

Finding the Fourth Proportional to 20,005.82, 30,010.25 and 5,964.77

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Solution

The fourth proportional to 20,005.82, 30,010.25 and 5,964.77 is: 8,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.82 : 30,010.25 = 5,964.77 : x
  2. Step 2: Convert to fraction form
    20,005.82/30,010.25 = 5,964.77/x
  3. Step 3: Cross multiply
    20,005.82x = 30,010.25 × 5,964.77
  4. Step 4: Simplify right side
    20,005.82x = 179,004,328.83
  5. Step 5: Solve for x
    x = 179,004,328.83/20,005.82
  6. Step 6: Final answer
    x = 8,947.61

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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.