Home / 20,340.48-30,507.56-5,550.60

Finding the Fourth Proportional to 20,340.48, 30,507.56 and 5,550.60

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Solution

The fourth proportional to 20,340.48, 30,507.56 and 5,550.60 is: 8,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340.48 : 30,507.56 = 5,550.60 : x
  2. Step 2: Convert to fraction form
    20,340.48/30,507.56 = 5,550.60/x
  3. Step 3: Cross multiply
    20,340.48x = 30,507.56 × 5,550.60
  4. Step 4: Simplify right side
    20,340.48x = 169,335,262.54
  5. Step 5: Solve for x
    x = 169,335,262.54/20,340.48
  6. Step 6: Final answer
    x = 8,325.04

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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.