Home / 20,550.08-30,825.30-4,967.84

Finding the Fourth Proportional to 20,550.08, 30,825.30 and 4,967.84

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Solution

The fourth proportional to 20,550.08, 30,825.30 and 4,967.84 is: 7,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.08 : 30,825.30 = 4,967.84 : x
  2. Step 2: Convert to fraction form
    20,550.08/30,825.30 = 4,967.84/x
  3. Step 3: Cross multiply
    20,550.08x = 30,825.30 × 4,967.84
  4. Step 4: Simplify right side
    20,550.08x = 153,135,158.35
  5. Step 5: Solve for x
    x = 153,135,158.35/20,550.08
  6. Step 6: Final answer
    x = 7,451.80

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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.