Home / 20,296.62-30,445.56-5,505.48

Finding the Fourth Proportional to 20,296.62, 30,445.56 and 5,505.48

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Solution

The fourth proportional to 20,296.62, 30,445.56 and 5,505.48 is: 8,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.62 : 30,445.56 = 5,505.48 : x
  2. Step 2: Convert to fraction form
    20,296.62/30,445.56 = 5,505.48/x
  3. Step 3: Cross multiply
    20,296.62x = 30,445.56 × 5,505.48
  4. Step 4: Simplify right side
    20,296.62x = 167,617,421.67
  5. Step 5: Solve for x
    x = 167,617,421.67/20,296.62
  6. Step 6: Final answer
    x = 8,258.39

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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.