Home / 20,525.04-30,650.70-20,305.68

Finding the Fourth Proportional to 20,525.04, 30,650.70 and 20,305.68

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Solution

The fourth proportional to 20,525.04, 30,650.70 and 20,305.68 is: 30,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.04 : 30,650.70 = 20,305.68 : x
  2. Step 2: Convert to fraction form
    20,525.04/30,650.70 = 20,305.68/x
  3. Step 3: Cross multiply
    20,525.04x = 30,650.70 × 20,305.68
  4. Step 4: Simplify right side
    20,525.04x = 622,383,305.98
  5. Step 5: Solve for x
    x = 622,383,305.98/20,525.04
  6. Step 6: Final answer
    x = 30,323.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.